R-13r+40=0

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Solution for R-13r+40=0 equation:


Simplifying
R + -13r + 40 = 0

Reorder the terms:
40 + R + -13r = 0

Solving
40 + R + -13r = 0

Solving for variable 'R'.

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

Add '-40' to each side of the equation.
40 + R + -40 + -13r = 0 + -40

Reorder the terms:
40 + -40 + R + -13r = 0 + -40

Combine like terms: 40 + -40 = 0
0 + R + -13r = 0 + -40
R + -13r = 0 + -40

Combine like terms: 0 + -40 = -40
R + -13r = -40

Add '13r' to each side of the equation.
R + -13r + 13r = -40 + 13r

Combine like terms: -13r + 13r = 0
R + 0 = -40 + 13r
R = -40 + 13r

Simplifying
R = -40 + 13r

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