-3(r+6)=-36

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Solution for -3(r+6)=-36 equation:


Simplifying
-3(r + 6) = -36

Reorder the terms:
-3(6 + r) = -36
(6 * -3 + r * -3) = -36
(-18 + -3r) = -36

Solving
-18 + -3r = -36

Solving for variable 'r'.

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

Add '18' to each side of the equation.
-18 + 18 + -3r = -36 + 18

Combine like terms: -18 + 18 = 0
0 + -3r = -36 + 18
-3r = -36 + 18

Combine like terms: -36 + 18 = -18
-3r = -18

Divide each side by '-3'.
r = 6

Simplifying
r = 6

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