-2r+3(-1-3r)=-36

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Solution for -2r+3(-1-3r)=-36 equation:


Simplifying
-2r + 3(-1 + -3r) = -36
-2r + (-1 * 3 + -3r * 3) = -36
-2r + (-3 + -9r) = -36

Reorder the terms:
-3 + -2r + -9r = -36

Combine like terms: -2r + -9r = -11r
-3 + -11r = -36

Solving
-3 + -11r = -36

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 + -11r = -36 + 3

Combine like terms: -3 + 3 = 0
0 + -11r = -36 + 3
-11r = -36 + 3

Combine like terms: -36 + 3 = -33
-11r = -33

Divide each side by '-11'.
r = 3

Simplifying
r = 3

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