-213=-5x+3(7x-7)

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Solution for -213=-5x+3(7x-7) equation:


-213=-5x+3(7x-7)

We simplify the equation to the form, which is simple to understand 
-213=-5x+3(7x-7)

Reorder the terms in parentheses
-213=-5x+(+21x-21)

Remove unnecessary parentheses
-213=-5x+21x-21

We move all terms containing x to the left and all other terms to the right. 
+5x-21x=-21+213

We simplify left and right side of the equation. 
-16x=+192

We divide both sides of the equation by -16 to get x. 
x=-12

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