12r-8+17+3r=

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Solution for 12r-8+17+3r= equation:


Simplifying
12r + -8 + 17 + 3r = 0

Reorder the terms:
-8 + 17 + 12r + 3r = 0

Combine like terms: -8 + 17 = 9
9 + 12r + 3r = 0

Combine like terms: 12r + 3r = 15r
9 + 15r = 0

Solving
9 + 15r = 0

Solving for variable 'r'.

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

Add '-9' to each side of the equation.
9 + -9 + 15r = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 15r = 0 + -9
15r = 0 + -9

Combine like terms: 0 + -9 = -9
15r = -9

Divide each side by '15'.
r = -0.6

Simplifying
r = -0.6

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