4r-4=-12

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Solution for 4r-4=-12 equation: 


Simplifying
4r + -4 = -12

Reorder the terms:
-4 + 4r = -12

Solving
-4 + 4r = -12

Solving for variable 'r'.

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

Add '4' to each side of the equation.
-4 + 4 + 4r = -12 + 4

Combine like terms: -4 + 4 = 0
0 + 4r = -12 + 4
4r = -12 + 4

Combine like terms: -12 + 4 = -8
4r = -8

Divide each side by '4'.
r = -2

Simplifying
r = -2

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