4v+5=5v-7

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Solution for 4v+5=5v-7 equation:


Simplifying
4v + 5 = 5v + -7

Reorder the terms:
5 + 4v = 5v + -7

Reorder the terms:
5 + 4v = -7 + 5v

Solving
5 + 4v = -7 + 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.
5 + 4v + -5v = -7 + 5v + -5v

Combine like terms: 4v + -5v = -1v
5 + -1v = -7 + 5v + -5v

Combine like terms: 5v + -5v = 0
5 + -1v = -7 + 0
5 + -1v = -7

Add '-5' to each side of the equation.
5 + -5 + -1v = -7 + -5

Combine like terms: 5 + -5 = 0
0 + -1v = -7 + -5
-1v = -7 + -5

Combine like terms: -7 + -5 = -12
-1v = -12

Divide each side by '-1'.
v = 12

Simplifying
v = 12

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