3r=-7+2r-12

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Solution for 3r=-7+2r-12 equation:


Simplifying
3r = -7 + 2r + -12

Reorder the terms:
3r = -7 + -12 + 2r

Combine like terms: -7 + -12 = -19
3r = -19 + 2r

Solving
3r = -19 + 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.
3r + -2r = -19 + 2r + -2r

Combine like terms: 3r + -2r = 1r
1r = -19 + 2r + -2r

Combine like terms: 2r + -2r = 0
1r = -19 + 0
1r = -19

Divide each side by '1'.
r = -19

Simplifying
r = -19

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