R-3-8=-12

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Solution for R-3-8=-12 equation: 


Simplifying
R + -3 + -8 = -12

Reorder the terms:
-3 + -8 + R = -12

Combine like terms: -3 + -8 = -11
-11 + R = -12

Solving
-11 + R = -12

Solving for variable 'R'.

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

Add '11' to each side of the equation.
-11 + 11 + R = -12 + 11

Combine like terms: -11 + 11 = 0
0 + R = -12 + 11
R = -12 + 11

Combine like terms: -12 + 11 = -1
R = -1

Simplifying
R = -1

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