-42=-14r

Solution for -42=-14r equation:

Simplifying
-42 = -14r

Solving
-42 = -14r

Solving for variable 'r'.

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

Add '14r' to each side of the equation.
-42 + 14r = -14r + 14r

Combine like terms: -14r + 14r = 0
-42 + 14r = 0

Add '42' to each side of the equation.
-42 + 42 + 14r = 0 + 42

Combine like terms: -42 + 42 = 0
0 + 14r = 0 + 42
14r = 0 + 42

Combine like terms: 0 + 42 = 42
14r = 42

Divide each side by '14'.
r = 3

Simplifying
r = 3