3(4r-5)=-32

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Solution for 3(4r-5)=-32 equation:


Simplifying
3(4r + -5) = -32

Reorder the terms:
3(-5 + 4r) = -32
(-5 * 3 + 4r * 3) = -32
(-15 + 12r) = -32

Solving
-15 + 12r = -32

Solving for variable 'r'.

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

Add '15' to each side of the equation.
-15 + 15 + 12r = -32 + 15

Combine like terms: -15 + 15 = 0
0 + 12r = -32 + 15
12r = -32 + 15

Combine like terms: -32 + 15 = -17
12r = -17

Divide each side by '12'.
r = -1.416666667

Simplifying
r = -1.416666667

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