7x+2=100-7x

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Solution for 7x+2=100-7x equation: 



7x+2=100-7x

We move all terms to the left:

7x+2-(100-7x)=0

We add all the numbers together, and all the variables

7x-(-7x+100)+2=0

We get rid of parentheses

7x+7x-100+2=0

We add all the numbers together, and all the variables

14x-98=0

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

14x=98

x=98/14

x=7

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