-3r+r+-15=3

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


Simplifying
-3r + r + -15 = 3

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

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

Solving
-15 + -2r = 3

Solving for variable 'r'.

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

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

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

Combine like terms: 3 + 15 = 18
-2r = 18

Divide each side by '-2'.
r = -9

Simplifying
r = -9

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