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if 5x - 17 = -x + 7, then x =

 Jun 1, 2019
 #1
avatar+15 
-2

5x - 17 = -x + 7

Add 17 to both sides

5x - 17 + 17 = -x + 7 + 17

5x = -x + 24

Add x to both sides

5x + x = -x + 24 + x

6x = 24

Divide 6 on both sides

x = 4

 

x equals 4

 

Hope this helps ;P

 Jun 1, 2019
 #2
avatar+7531 
0

\(\begin{array}{rcll} 5x - 17 &=& -x+7&|\quad\text{Add x to both sides}\\ 6x-17&=&7&|\quad\text{Add 17 to both sides}\\ 6x&=&24&|\quad\text{Divide both sides by 6}\\ x&=&4&|\quad\color{red}\text{FINISH!} \end{array}\)

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 Jun 1, 2019

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