R+2=3.5

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Solution for R+2=3.5 equation: 


Simplifying
R + 2 = 3.5

Reorder the terms:
2 + R = 3.5

Solving
2 + R = 3.5

Solving for variable 'R'.

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

Add '-2' to each side of the equation.
2 + -2 + R = 3.5 + -2

Combine like terms: 2 + -2 = 0
0 + R = 3.5 + -2
R = 3.5 + -2

Combine like terms: 3.5 + -2 = 1.5
R = 1.5

Simplifying
R = 1.5

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