15v-9+21=45

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Solution for 15v-9+21=45 equation:


Simplifying
15v + -9 + 21 = 45

Reorder the terms:
-9 + 21 + 15v = 45

Combine like terms: -9 + 21 = 12
12 + 15v = 45

Solving
12 + 15v = 45

Solving for variable 'v'.

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

Add '-12' to each side of the equation.
12 + -12 + 15v = 45 + -12

Combine like terms: 12 + -12 = 0
0 + 15v = 45 + -12
15v = 45 + -12

Combine like terms: 45 + -12 = 33
15v = 33

Divide each side by '15'.
v = 2.2

Simplifying
v = 2.2

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