-8=8r-12

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Solution for -8=8r-12 equation:


Simplifying
-8 = 8r + -12

Reorder the terms:
-8 = -12 + 8r

Solving
-8 = -12 + 8r

Solving for variable 'r'.

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

Add '-8r' to each side of the equation.
-8 + -8r = -12 + 8r + -8r

Combine like terms: 8r + -8r = 0
-8 + -8r = -12 + 0
-8 + -8r = -12

Add '8' to each side of the equation.
-8 + 8 + -8r = -12 + 8

Combine like terms: -8 + 8 = 0
0 + -8r = -12 + 8
-8r = -12 + 8

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

Divide each side by '-8'.
r = 0.5

Simplifying
r = 0.5

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