9x-3r+5r+12=

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Solution for 9x-3r+5r+12= equation:


Simplifying
9x + -3r + 5r + 12 = 0

Reorder the terms:
12 + -3r + 5r + 9x = 0

Combine like terms: -3r + 5r = 2r
12 + 2r + 9x = 0

Solving
12 + 2r + 9x = 0

Solving for variable 'r'.

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

Add '-12' to each side of the equation.
12 + 2r + -12 + 9x = 0 + -12

Reorder the terms:
12 + -12 + 2r + 9x = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 2r + 9x = 0 + -12
2r + 9x = 0 + -12

Combine like terms: 0 + -12 = -12
2r + 9x = -12

Add '-9x' to each side of the equation.
2r + 9x + -9x = -12 + -9x

Combine like terms: 9x + -9x = 0
2r + 0 = -12 + -9x
2r = -12 + -9x

Divide each side by '2'.
r = -6 + -4.5x

Simplifying
r = -6 + -4.5x

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