Write equations in horizontal mode

Mohajir · August 26th, 2015, 11:54 AM

I want to write equations numbered and horizontally like this.
Thank you for your help.

greg1313 · August 26th, 2015, 12:33 PM

Define a table that doesn't have any borders.

$\displaystyle \begin{array}{ l c r }
1 & 2 & 3 \\
4 & 5 & 6 \\
7 & 8 & 9 \\
\end{array}$

Mohajir · August 26th, 2015, 01:16 PM

Thank you for your answer. This is what I did:

\documentclass[12p]{article}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{graphicx}

\begin{document}
\begin{tabular}{ l c r }
$2x+3=7$ & $5x-2=3$ & $2x+7=11$\\
$6x+1=9$ & $6x+1=9$ & $-4x-5=14$ \\
$2x+3=7$ & $5x-2=3$ & $2x+7=11$ \\
\end{tabular}
\end {document}

And it produced This.

Now, How would I do to number them automatically with a bold font?
Also, how would I do to increase horizontal spaces?

Mohajir · August 26th, 2015, 01:50 PM

I enhanced a little the equations, but still the numbering increases vertically instead of horizontally:

\documentclass[12p]{article}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{graphicx}
\usepackage{multicol}
\begin{document}
\begin{enumerate}
\begin{multicols}{3}
\item $2x+3=7$
\item $5x-2=3$
\item $2x+7=11$
\item $9x-1=4$
\item $6x+1=9$
\item $-4x-5=14$
\item $2x+3=7$
\item $5x-2=3$
\item $2x+7=11$

\end{multicols}
\end{enumerate}
\end{document}

greg1313 · August 26th, 2015, 03:27 PM

Use \textbf{...} for bold font. To increase spacing, try \quad.

Mohajir · August 26th, 2015, 03:51 PM

Thank you very much for the time you dedicated to this. I really appreciate.

szz · September 12th, 2015, 06:29 AM

You could also use the matrix structure:

Code:

\begin{document}

\begin{equation*}
\begin{matrix}
2x+3=7 & 5x-2=3 & 2x+7=11 \\
6x+1=9 & 6x+1=9 & -4x-5=14 \\
2x+3=7 & 5x-2=3 & 2x+7=11 \\
\end{matrix}
\begin{equation*}

\end{document}

Which produces:

$\displaystyle
\begin{matrix}
2x+3=7 & 5x-2=3 & 2x+7=11 \\
6x+1=9 & 6x+1=9 & -4x-5=14 \\
2x+3=7 & 5x-2=3 & 2x+7=11 \\
\end{matrix}
$

August 26th, 2015, 12:33 PM	#2
greg1313 Global Moderator Joined: Oct 2008 From: London, Ontario, Canada - The Forest City Posts: 7,473 Thanks: 884 Math Focus: Elementary mathematics and beyond	Define a table that doesn't have any borders. $\displaystyle \begin{array}{ l c r } 1 & 2 & 3 \\ 4 & 5 & 6 \\ 7 & 8 & 9 \\ \end{array}$
$greg1313 is online now$

August 26th, 2015, 03:27 PM	#5
greg1313 Global Moderator Joined: Oct 2008 From: London, Ontario, Canada - The Forest City Posts: 7,473 Thanks: 884 Math Focus: Elementary mathematics and beyond	Use \textbf{...} for bold font. To increase spacing, try \quad. Thanks from Mohajir Last edited by greg1313; August 26th, 2015 at 03:48 PM.
$greg1313 is online now$

August 26th, 2015, 03:51 PM	#6
Mohajir Member Joined: Jun 2015 From: Casablanca Posts: 47 Thanks: 3	Thank you very much for the time you dedicated to this. I really appreciate. Thanks from greg1313
$Mohajir is offline$

September 12th, 2015, 06:29 AM	#7
szz Senior Member Joined: Oct 2014 From: I don't know... Posts: 220 Thanks: 26 Math Focus: Calculus	You could also use the matrix structure: Code: \begin{document} \begin{equation} \begin{matrix} 2x+3=7 & 5x-2=3 & 2x+7=11 \\ 6x+1=9 & 6x+1=9 & -4x-5=14 \\ 2x+3=7 & 5x-2=3 & 2x+7=11 \\ \end{matrix} \begin{equation} \end{document} Which produces: $\displaystyle \begin{matrix} 2x+3=7 & 5x-2=3 & 2x+7=11 \\ 6x+1=9 & 6x+1=9 & -4x-5=14 \\ 2x+3=7 & 5x-2=3 & 2x+7=11 \\ \end{matrix} $
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