-5x-7(5x-21)=-213

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Solution for -5x-7(5x-21)=-213 equation: 



-5x-7(5x-21)=-213

We move all terms to the left:

-5x-7(5x-21)-(-213)=0

We add all the numbers together, and all the variables

-5x-7(5x-21)+213=0

We multiply parentheses

-5x-35x+147+213=0

We add all the numbers together, and all the variables

-40x+360=0

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

-40x=-360

x=-360/-40

x=+9

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