r+3=15+2r

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Solution for r+3=15+2r equation:


Simplifying
r + 3 = 15 + 2r

Reorder the terms:
3 + r = 15 + 2r

Solving
3 + r = 15 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
3 + r + -2r = 15 + 2r + -2r

Combine like terms: r + -2r = -1r
3 + -1r = 15 + 2r + -2r

Combine like terms: 2r + -2r = 0
3 + -1r = 15 + 0
3 + -1r = 15

Add '-3' to each side of the equation.
3 + -3 + -1r = 15 + -3

Combine like terms: 3 + -3 = 0
0 + -1r = 15 + -3
-1r = 15 + -3

Combine like terms: 15 + -3 = 12
-1r = 12

Divide each side by '-1'.
r = -12

Simplifying
r = -12

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