7(5-v)=8(v-5)

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Solution for 7(5-v)=8(v-5) equation:


Simplifying
7(5 + -1v) = 8(v + -5)
(5 * 7 + -1v * 7) = 8(v + -5)
(35 + -7v) = 8(v + -5)

Reorder the terms:
35 + -7v = 8(-5 + v)
35 + -7v = (-5 * 8 + v * 8)
35 + -7v = (-40 + 8v)

Solving
35 + -7v = -40 + 8v

Solving for variable 'v'.

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

Add '-8v' to each side of the equation.
35 + -7v + -8v = -40 + 8v + -8v

Combine like terms: -7v + -8v = -15v
35 + -15v = -40 + 8v + -8v

Combine like terms: 8v + -8v = 0
35 + -15v = -40 + 0
35 + -15v = -40

Add '-35' to each side of the equation.
35 + -35 + -15v = -40 + -35

Combine like terms: 35 + -35 = 0
0 + -15v = -40 + -35
-15v = -40 + -35

Combine like terms: -40 + -35 = -75
-15v = -75

Divide each side by '-15'.
v = 5

Simplifying
v = 5

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