-7v+5(v-3)=-21

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Solution for -7v+5(v-3)=-21 equation:


Simplifying
-7v + 5(v + -3) = -21

Reorder the terms:
-7v + 5(-3 + v) = -21
-7v + (-3 * 5 + v * 5) = -21
-7v + (-15 + 5v) = -21

Reorder the terms:
-15 + -7v + 5v = -21

Combine like terms: -7v + 5v = -2v
-15 + -2v = -21

Solving
-15 + -2v = -21

Solving for variable 'v'.

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

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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