9r-7-6r+12=

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Solution for 9r-7-6r+12= equation:


Simplifying
9r + -7 + -6r + 12 = 0

Reorder the terms:
-7 + 12 + 9r + -6r = 0

Combine like terms: -7 + 12 = 5
5 + 9r + -6r = 0

Combine like terms: 9r + -6r = 3r
5 + 3r = 0

Solving
5 + 3r = 0

Solving for variable 'r'.

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

Add '-5' to each side of the equation.
5 + -5 + 3r = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 3r = 0 + -5
3r = 0 + -5

Combine like terms: 0 + -5 = -5
3r = -5

Divide each side by '3'.
r = -1.666666667

Simplifying
r = -1.666666667

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