12-2R=-4

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Solution for 12-2R=-4 equation: 


Simplifying
12 + -2R = -4

Solving
12 + -2R = -4

Solving for variable 'R'.

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

Add '-12' to each side of the equation.
12 + -12 + -2R = -4 + -12

Combine like terms: 12 + -12 = 0
0 + -2R = -4 + -12
-2R = -4 + -12

Combine like terms: -4 + -12 = -16
-2R = -16

Divide each side by '-2'.
R = 8

Simplifying
R = 8

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