-3(3r+9)=-6r-8

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Solution for -3(3r+9)=-6r-8 equation:


Simplifying
-3(3r + 9) = -6r + -8

Reorder the terms:
-3(9 + 3r) = -6r + -8
(9 * -3 + 3r * -3) = -6r + -8
(-27 + -9r) = -6r + -8

Reorder the terms:
-27 + -9r = -8 + -6r

Solving
-27 + -9r = -8 + -6r

Solving for variable 'r'.

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

Add '6r' to each side of the equation.
-27 + -9r + 6r = -8 + -6r + 6r

Combine like terms: -9r + 6r = -3r
-27 + -3r = -8 + -6r + 6r

Combine like terms: -6r + 6r = 0
-27 + -3r = -8 + 0
-27 + -3r = -8

Add '27' to each side of the equation.
-27 + 27 + -3r = -8 + 27

Combine like terms: -27 + 27 = 0
0 + -3r = -8 + 27
-3r = -8 + 27

Combine like terms: -8 + 27 = 19
-3r = 19

Divide each side by '-3'.
r = -6.333333333

Simplifying
r = -6.333333333

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