R-3.5=8.7

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Solution for R-3.5=8.7 equation: 


Simplifying
R + -3.5 = 8.7

Reorder the terms:
-3.5 + R = 8.7

Solving
-3.5 + R = 8.7

Solving for variable 'R'.

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

Add '3.5' to each side of the equation.
-3.5 + 3.5 + R = 8.7 + 3.5

Combine like terms: -3.5 + 3.5 = 0.0
0.0 + R = 8.7 + 3.5
R = 8.7 + 3.5

Combine like terms: 8.7 + 3.5 = 12.2
R = 12.2

Simplifying
R = 12.2

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