R-4=-13

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Solution for R-4=-13 equation: 


Simplifying
R + -4 = -13

Reorder the terms:
-4 + R = -13

Solving
-4 + R = -13

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 + R = -13 + 4

Combine like terms: -4 + 4 = 0
0 + R = -13 + 4
R = -13 + 4

Combine like terms: -13 + 4 = -9
R = -9

Simplifying
R = -9

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