-12=2r

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Solution for -12=2r equation:


Simplifying
-12 = 2r

Solving
-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.
-12 + -2r = 2r + -2r

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

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

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

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

Divide each side by '-2'.
r = -6

Simplifying
r = -6

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