3(-9-r)=-24

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Solution for 3(-9-r)=-24 equation: 


Simplifying
3(-9 + -1r) = -24
(-9 * 3 + -1r * 3) = -24
(-27 + -3r) = -24

Solving
-27 + -3r = -24

Solving for variable 'r'.

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

Add '27' to each side of the equation.
-27 + 27 + -3r = -24 + 27

Combine like terms: -27 + 27 = 0
0 + -3r = -24 + 27
-3r = -24 + 27

Combine like terms: -24 + 27 = 3
-3r = 3

Divide each side by '-3'.
r = -1

Simplifying
r = -1

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