-9(71v-85)=-70v+8(-84v+57)

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Solution for -9(71v-85)=-70v+8(-84v+57) equation:


Simplifying
-9(71v + -85) = -70v + 8(-84v + 57)

Reorder the terms:
-9(-85 + 71v) = -70v + 8(-84v + 57)
(-85 * -9 + 71v * -9) = -70v + 8(-84v + 57)
(765 + -639v) = -70v + 8(-84v + 57)

Reorder the terms:
765 + -639v = -70v + 8(57 + -84v)
765 + -639v = -70v + (57 * 8 + -84v * 8)
765 + -639v = -70v + (456 + -672v)

Reorder the terms:
765 + -639v = 456 + -70v + -672v

Combine like terms: -70v + -672v = -742v
765 + -639v = 456 + -742v

Solving
765 + -639v = 456 + -742v

Solving for variable 'v'.

Move all terms containing v to the left, all other terms to the right.

Add '742v' to each side of the equation.
765 + -639v + 742v = 456 + -742v + 742v

Combine like terms: -639v + 742v = 103v
765 + 103v = 456 + -742v + 742v

Combine like terms: -742v + 742v = 0
765 + 103v = 456 + 0
765 + 103v = 456

Add '-765' to each side of the equation.
765 + -765 + 103v = 456 + -765

Combine like terms: 765 + -765 = 0
0 + 103v = 456 + -765
103v = 456 + -765

Combine like terms: 456 + -765 = -309
103v = -309

Divide each side by '103'.
v = -3

Simplifying
v = -3

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