-21-8(v+3)+3+7v=

Solution for -21-8(v+3)+3+7v= equation:

Simplifying
-21 + -8(v + 3) + 3 + 7v = 0

Reorder the terms:
-21 + -8(3 + v) + 3 + 7v = 0
-21 + (3 * -8 + v * -8) + 3 + 7v = 0
-21 + (-24 + -8v) + 3 + 7v = 0

Reorder the terms:
-21 + -24 + 3 + -8v + 7v = 0

Combine like terms: -21 + -24 = -45
-45 + 3 + -8v + 7v = 0

Combine like terms: -45 + 3 = -42
-42 + -8v + 7v = 0

Combine like terms: -8v + 7v = -1v
-42 + -1v = 0

Solving
-42 + -1v = 0

Solving for variable 'v'.

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

Add '42' to each side of the equation.
-42 + 42 + -1v = 0 + 42

Combine like terms: -42 + 42 = 0
0 + -1v = 0 + 42
-1v = 0 + 42

Combine like terms: 0 + 42 = 42
-1v = 42

Divide each side by '-1'.
v = -42

Simplifying
v = -42