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

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


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

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

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

Solving
-12 + -4v = 21 + 7v

Solving for variable 'v'.

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

Add '-7v' to each side of the equation.
-12 + -4v + -7v = 21 + 7v + -7v

Combine like terms: -4v + -7v = -11v
-12 + -11v = 21 + 7v + -7v

Combine like terms: 7v + -7v = 0
-12 + -11v = 21 + 0
-12 + -11v = 21

Add '12' to each side of the equation.
-12 + 12 + -11v = 21 + 12

Combine like terms: -12 + 12 = 0
0 + -11v = 21 + 12
-11v = 21 + 12

Combine like terms: 21 + 12 = 33
-11v = 33

Divide each side by '-11'.
v = -3

Simplifying
v = -3

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