-3(r-11)+15=9

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Solution for -3(r-11)+15=9 equation:


Simplifying
-3(r + -11) + 15 = 9

Reorder the terms:
-3(-11 + r) + 15 = 9
(-11 * -3 + r * -3) + 15 = 9
(33 + -3r) + 15 = 9

Reorder the terms:
33 + 15 + -3r = 9

Combine like terms: 33 + 15 = 48
48 + -3r = 9

Solving
48 + -3r = 9

Solving for variable 'r'.

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

Add '-48' to each side of the equation.
48 + -48 + -3r = 9 + -48

Combine like terms: 48 + -48 = 0
0 + -3r = 9 + -48
-3r = 9 + -48

Combine like terms: 9 + -48 = -39
-3r = -39

Divide each side by '-3'.
r = 13

Simplifying
r = 13

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