x-(-x+70)=30

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Solution for x-(-x+70)=30 equation: 



x-(-x+70)=30

We move all terms to the left:

x-(-x+70)-(30)=0

We add all the numbers together, and all the variables

x-(-1x+70)-30=0

We get rid of parentheses

x+1x-70-30=0

We add all the numbers together, and all the variables

2x-100=0

We move all terms containing x to the left, all other terms to the right

2x=100

x=100/2

x=50

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