3(v+5)=5v+21

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Solution for 3(v+5)=5v+21 equation:


Simplifying
3(v + 5) = 5v + 21

Reorder the terms:
3(5 + v) = 5v + 21
(5 * 3 + v * 3) = 5v + 21
(15 + 3v) = 5v + 21

Reorder the terms:
15 + 3v = 21 + 5v

Solving
15 + 3v = 21 + 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.
15 + 3v + -5v = 21 + 5v + -5v

Combine like terms: 3v + -5v = -2v
15 + -2v = 21 + 5v + -5v

Combine like terms: 5v + -5v = 0
15 + -2v = 21 + 0
15 + -2v = 21

Add '-15' to each side of the equation.
15 + -15 + -2v = 21 + -15

Combine like terms: 15 + -15 = 0
0 + -2v = 21 + -15
-2v = 21 + -15

Combine like terms: 21 + -15 = 6
-2v = 6

Divide each side by '-2'.
v = -3

Simplifying
v = -3

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