-42=6r

Solution for -42=6r equation:

Simplifying
-42 = 6r

Solving
-42 = 6r

Solving for variable 'r'.

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

Add '-6r' to each side of the equation.
-42 + -6r = 6r + -6r

Combine like terms: 6r + -6r = 0
-42 + -6r = 0

Add '42' to each side of the equation.
-42 + 42 + -6r = 0 + 42

Combine like terms: -42 + 42 = 0
0 + -6r = 0 + 42
-6r = 0 + 42

Combine like terms: 0 + 42 = 42
-6r = 42

Divide each side by '-6'.
r = -7

Simplifying
r = -7