-12+6+2r-2r=8+2r

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Solution for -12+6+2r-2r=8+2r equation:


Simplifying
-12 + 6 + 2r + -2r = 8 + 2r

Combine like terms: -12 + 6 = -6
-6 + 2r + -2r = 8 + 2r

Combine like terms: 2r + -2r = 0
-6 + 0 = 8 + 2r
-6 = 8 + 2r

Solving
-6 = 8 + 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.
-6 + -2r = 8 + 2r + -2r

Combine like terms: 2r + -2r = 0
-6 + -2r = 8 + 0
-6 + -2r = 8

Add '6' to each side of the equation.
-6 + 6 + -2r = 8 + 6

Combine like terms: -6 + 6 = 0
0 + -2r = 8 + 6
-2r = 8 + 6

Combine like terms: 8 + 6 = 14
-2r = 14

Divide each side by '-2'.
r = -7

Simplifying
r = -7

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