-3(3r+6)=-11-8r

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Solution for -3(3r+6)=-11-8r equation:


Simplifying
-3(3r + 6) = -11 + -8r

Reorder the terms:
-3(6 + 3r) = -11 + -8r
(6 * -3 + 3r * -3) = -11 + -8r
(-18 + -9r) = -11 + -8r

Solving
-18 + -9r = -11 + -8r

Solving for variable 'r'.

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

Add '8r' to each side of the equation.
-18 + -9r + 8r = -11 + -8r + 8r

Combine like terms: -9r + 8r = -1r
-18 + -1r = -11 + -8r + 8r

Combine like terms: -8r + 8r = 0
-18 + -1r = -11 + 0
-18 + -1r = -11

Add '18' to each side of the equation.
-18 + 18 + -1r = -11 + 18

Combine like terms: -18 + 18 = 0
0 + -1r = -11 + 18
-1r = -11 + 18

Combine like terms: -11 + 18 = 7
-1r = 7

Divide each side by '-1'.
r = -7

Simplifying
r = -7

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