7(x+5)=9x-7

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Solution for 7(x+5)=9x-7 equation: 



7(x+5)=9x-7

We move all terms to the left:

7(x+5)-(9x-7)=0

We multiply parentheses

7x-(9x-7)+35=0

We get rid of parentheses

7x-9x+7+35=0

We add all the numbers together, and all the variables

-2x+42=0

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

-2x=-42

x=-42/-2

x=+21

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