-3(1+6r)+r=-156

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Solution for -3(1+6r)+r=-156 equation:


Simplifying
-3(1 + 6r) + r = -156
(1 * -3 + 6r * -3) + r = -156
(-3 + -18r) + r = -156

Combine like terms: -18r + r = -17r
-3 + -17r = -156

Solving
-3 + -17r = -156

Solving for variable 'r'.

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

Add '3' to each side of the equation.
-3 + 3 + -17r = -156 + 3

Combine like terms: -3 + 3 = 0
0 + -17r = -156 + 3
-17r = -156 + 3

Combine like terms: -156 + 3 = -153
-17r = -153

Divide each side by '-17'.
r = 9

Simplifying
r = 9

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