12r+2-3r-12=

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Solution for 12r+2-3r-12= equation:


Simplifying
12r + 2 + -3r + -12 = 0

Reorder the terms:
2 + -12 + 12r + -3r = 0

Combine like terms: 2 + -12 = -10
-10 + 12r + -3r = 0

Combine like terms: 12r + -3r = 9r
-10 + 9r = 0

Solving
-10 + 9r = 0

Solving for variable 'r'.

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

Add '10' to each side of the equation.
-10 + 10 + 9r = 0 + 10

Combine like terms: -10 + 10 = 0
0 + 9r = 0 + 10
9r = 0 + 10

Combine like terms: 0 + 10 = 10
9r = 10

Divide each side by '9'.
r = 1.111111111

Simplifying
r = 1.111111111

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