3+5(r-12)=-12

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Solution for 3+5(r-12)=-12 equation:


Simplifying
3 + 5(r + -12) = -12

Reorder the terms:
3 + 5(-12 + r) = -12
3 + (-12 * 5 + r * 5) = -12
3 + (-60 + 5r) = -12

Combine like terms: 3 + -60 = -57
-57 + 5r = -12

Solving
-57 + 5r = -12

Solving for variable 'r'.

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

Add '57' to each side of the equation.
-57 + 57 + 5r = -12 + 57

Combine like terms: -57 + 57 = 0
0 + 5r = -12 + 57
5r = -12 + 57

Combine like terms: -12 + 57 = 45
5r = 45

Divide each side by '5'.
r = 9

Simplifying
r = 9

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