42=7(-6+v)

Solution for 42=7(-6+v) equation:

Simplifying
42 = 7(-6 + v)
42 = (-6 * 7 + v * 7)
42 = (-42 + 7v)

Solving
42 = -42 + 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.
42 + -7v = -42 + 7v + -7v

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

Add '-42' to each side of the equation.
42 + -42 + -7v = -42 + -42

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

Combine like terms: -42 + -42 = -84
-7v = -84

Divide each side by '-7'.
v = 12

Simplifying
v = 12