3r+6+2r=-9

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Solution for 3r+6+2r=-9 equation: 


Simplifying
3r + 6 + 2r = -9

Reorder the terms:
6 + 3r + 2r = -9

Combine like terms: 3r + 2r = 5r
6 + 5r = -9

Solving
6 + 5r = -9

Solving for variable 'r'.

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

Add '-6' to each side of the equation.
6 + -6 + 5r = -9 + -6

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

Combine like terms: -9 + -6 = -15
5r = -15

Divide each side by '5'.
r = -3

Simplifying
r = -3

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