-9-3r=3(3r+5)

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Solution for -9-3r=3(3r+5) equation:


Simplifying
-9 + -3r = 3(3r + 5)

Reorder the terms:
-9 + -3r = 3(5 + 3r)
-9 + -3r = (5 * 3 + 3r * 3)
-9 + -3r = (15 + 9r)

Solving
-9 + -3r = 15 + 9r

Solving for variable 'r'.

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

Add '-9r' to each side of the equation.
-9 + -3r + -9r = 15 + 9r + -9r

Combine like terms: -3r + -9r = -12r
-9 + -12r = 15 + 9r + -9r

Combine like terms: 9r + -9r = 0
-9 + -12r = 15 + 0
-9 + -12r = 15

Add '9' to each side of the equation.
-9 + 9 + -12r = 15 + 9

Combine like terms: -9 + 9 = 0
0 + -12r = 15 + 9
-12r = 15 + 9

Combine like terms: 15 + 9 = 24
-12r = 24

Divide each side by '-12'.
r = -2

Simplifying
r = -2

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