9+3r-2-2r=0

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Solution for 9+3r-2-2r=0 equation:


Simplifying
9 + 3r + -2 + -2r = 0

Reorder the terms:
9 + -2 + 3r + -2r = 0

Combine like terms: 9 + -2 = 7
7 + 3r + -2r = 0

Combine like terms: 3r + -2r = 1r
7 + 1r = 0

Solving
7 + 1r = 0

Solving for variable 'r'.

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

Add '-7' to each side of the equation.
7 + -7 + 1r = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 1r = 0 + -7
1r = 0 + -7

Combine like terms: 0 + -7 = -7
1r = -7

Divide each side by '1'.
r = -7

Simplifying
r = -7

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