x+7=75-x

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Solution for x+7=75-x equation: 



x+7=75-x

We move all terms to the left:

x+7-(75-x)=0

We add all the numbers together, and all the variables

x-(-1x+75)+7=0

We get rid of parentheses

x+1x-75+7=0

We add all the numbers together, and all the variables

2x-68=0

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

2x=68

x=68/2

x=34

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