5(x+5)=7x-+-21

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Solution for 5(x+5)=7x-+-21 equation: 



5(x+5)=7x-+-21

We move all terms to the left:

5(x+5)-(7x-+-21)=0

We add all the numbers together, and all the variables

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

We multiply parentheses

5x-(+7x)+25=0

We get rid of parentheses

5x-7x+25=0

We add all the numbers together, and all the variables

-2x+25=0

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

-2x=-25

x=-25/-2

x=12+1/2

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