45=7v-2v

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Solution for 45=7v-2v equation:


Simplifying
45 = 7v + -2v

Combine like terms: 7v + -2v = 5v
45 = 5v

Solving
45 = 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.
45 + -5v = 5v + -5v

Combine like terms: 5v + -5v = 0
45 + -5v = 0

Add '-45' to each side of the equation.
45 + -45 + -5v = 0 + -45

Combine like terms: 45 + -45 = 0
0 + -5v = 0 + -45
-5v = 0 + -45

Combine like terms: 0 + -45 = -45
-5v = -45

Divide each side by '-5'.
v = 9

Simplifying
v = 9

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