-6(1-6r)+r=142

Solution for -6(1-6r)+r=142 equation:

Simplifying
-6(1 + -6r) + r = 142
(1 * -6 + -6r * -6) + r = 142
(-6 + 36r) + r = 142

Combine like terms: 36r + r = 37r
-6 + 37r = 142

Solving
-6 + 37r = 142

Solving for variable 'r'.

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

Add '6' to each side of the equation.
-6 + 6 + 37r = 142 + 6

Combine like terms: -6 + 6 = 0
0 + 37r = 142 + 6
37r = 142 + 6

Combine like terms: 142 + 6 = 148
37r = 148

Divide each side by '37'.
r = 4

Simplifying
r = 4