-7v+4(v+3)=21

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Solution for -7v+4(v+3)=21 equation:


Simplifying
-7v + 4(v + 3) = 21

Reorder the terms:
-7v + 4(3 + v) = 21
-7v + (3 * 4 + v * 4) = 21
-7v + (12 + 4v) = 21

Reorder the terms:
12 + -7v + 4v = 21

Combine like terms: -7v + 4v = -3v
12 + -3v = 21

Solving
12 + -3v = 21

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 + -3v = 21 + -12

Combine like terms: 12 + -12 = 0
0 + -3v = 21 + -12
-3v = 21 + -12

Combine like terms: 21 + -12 = 9
-3v = 9

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

Simplifying
v = -3

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