3r+3=2r-12

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


Simplifying
3r + 3 = 2r + -12

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

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

Solving
3 + 3r = -12 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
3 + 3r + -2r = -12 + 2r + -2r

Combine like terms: 3r + -2r = 1r
3 + 1r = -12 + 2r + -2r

Combine like terms: 2r + -2r = 0
3 + 1r = -12 + 0
3 + 1r = -12

Add '-3' to each side of the equation.
3 + -3 + 1r = -12 + -3

Combine like terms: 3 + -3 = 0
0 + 1r = -12 + -3
1r = -12 + -3

Combine like terms: -12 + -3 = -15
1r = -15

Divide each side by '1'.
r = -15

Simplifying
r = -15

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