R+15=4R-4

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Solution for R+15=4R-4 equation:


Simplifying
R + 15 = 4R + -4

Reorder the terms:
15 + R = 4R + -4

Reorder the terms:
15 + R = -4 + 4R

Solving
15 + R = -4 + 4R

Solving for variable 'R'.

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

Add '-4R' to each side of the equation.
15 + R + -4R = -4 + 4R + -4R

Combine like terms: R + -4R = -3R
15 + -3R = -4 + 4R + -4R

Combine like terms: 4R + -4R = 0
15 + -3R = -4 + 0
15 + -3R = -4

Add '-15' to each side of the equation.
15 + -15 + -3R = -4 + -15

Combine like terms: 15 + -15 = 0
0 + -3R = -4 + -15
-3R = -4 + -15

Combine like terms: -4 + -15 = -19
-3R = -19

Divide each side by '-3'.
R = 6.333333333

Simplifying
R = 6.333333333

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