-3v+21=3(v+1)

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Solution for -3v+21=3(v+1) equation:


Simplifying
-3v + 21 = 3(v + 1)

Reorder the terms:
21 + -3v = 3(v + 1)

Reorder the terms:
21 + -3v = 3(1 + v)
21 + -3v = (1 * 3 + v * 3)
21 + -3v = (3 + 3v)

Solving
21 + -3v = 3 + 3v

Solving for variable 'v'.

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

Add '-3v' to each side of the equation.
21 + -3v + -3v = 3 + 3v + -3v

Combine like terms: -3v + -3v = -6v
21 + -6v = 3 + 3v + -3v

Combine like terms: 3v + -3v = 0
21 + -6v = 3 + 0
21 + -6v = 3

Add '-21' to each side of the equation.
21 + -21 + -6v = 3 + -21

Combine like terms: 21 + -21 = 0
0 + -6v = 3 + -21
-6v = 3 + -21

Combine like terms: 3 + -21 = -18
-6v = -18

Divide each side by '-6'.
v = 3

Simplifying
v = 3

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