My Math Forum Stuck with a reduction problem

 Elementary Math Fractions, Percentages, Word Problems, Equations, Inequations, Factorization, Expansion

 August 20th, 2017, 09:44 AM #1 Newbie   Joined: Feb 2017 From: Denmark Posts: 12 Thanks: 1 Stuck with a reduction problem I'm trying to reduce this as much as possible, to find X, and this is what I have so far, but my teacher told me that I did something wrong between some of the lines, I just can't figure out what I've done wrong. Could someone possibly help me out? 6x-(x-(x+4)) = 3x+2 6x-(x-x+4) = 3x+2 6x-x+x-4 = 3x+2 6x-x+x-3x = 2+4 3x = 6 x = 0,5
August 20th, 2017, 09:55 AM   #2
Math Team

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Quote:
 6x-(x-(x+4)) = 3x+2 6x-(x-x+4) = 3x+2
6x-(x-(x+4)) = 3x+2

6x-(x-x-4) = 3x+2

6x-x+x+4 = 3x+2

can you finish?

 August 20th, 2017, 10:35 AM #3 Math Team     Joined: Jul 2013 From: काठमाडौं, नेपाल Posts: 831 Thanks: 60 Math Focus: सामान्य गणित $\displaystyle -(+) =-$ $\displaystyle -(-) =+$ $\displaystyle +(+)=+$ $\displaystyle +(-) = -$

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