7(v-3)=5(v-7)

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Solution for 7(v-3)=5(v-7) equation:


Simplifying
7(v + -3) = 5(v + -7)

Reorder the terms:
7(-3 + v) = 5(v + -7)
(-3 * 7 + v * 7) = 5(v + -7)
(-21 + 7v) = 5(v + -7)

Reorder the terms:
-21 + 7v = 5(-7 + v)
-21 + 7v = (-7 * 5 + v * 5)
-21 + 7v = (-35 + 5v)

Solving
-21 + 7v = -35 + 5v

Solving for variable 'v'.

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

Add '-5v' to each side of the equation.
-21 + 7v + -5v = -35 + 5v + -5v

Combine like terms: 7v + -5v = 2v
-21 + 2v = -35 + 5v + -5v

Combine like terms: 5v + -5v = 0
-21 + 2v = -35 + 0
-21 + 2v = -35

Add '21' to each side of the equation.
-21 + 21 + 2v = -35 + 21

Combine like terms: -21 + 21 = 0
0 + 2v = -35 + 21
2v = -35 + 21

Combine like terms: -35 + 21 = -14
2v = -14

Divide each side by '2'.
v = -7

Simplifying
v = -7

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