R-12=55

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Solution for R-12=55 equation: 


Simplifying
R + -12 = 55

Reorder the terms:
-12 + R = 55

Solving
-12 + R = 55

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 + R = 55 + 12

Combine like terms: -12 + 12 = 0
0 + R = 55 + 12
R = 55 + 12

Combine like terms: 55 + 12 = 67
R = 67

Simplifying
R = 67

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