21-27+8v+7v=

Solution for 21-27+8v+7v= equation:

Simplifying
21 + -27 + 8v + 7v = 0

Combine like terms: 21 + -27 = -6
-6 + 8v + 7v = 0

Combine like terms: 8v + 7v = 15v
-6 + 15v = 0

Solving
-6 + 15v = 0

Solving for variable 'v'.

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

Add '6' to each side of the equation.
-6 + 6 + 15v = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 15v = 0 + 6
15v = 0 + 6

Combine like terms: 0 + 6 = 6
15v = 6

Divide each side by '15'.
v = 0.4

Simplifying
v = 0.4