-r+12=2(r+6)

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Solution for -r+12=2(r+6) equation:


Simplifying
-1r + 12 = 2(r + 6)

Reorder the terms:
12 + -1r = 2(r + 6)

Reorder the terms:
12 + -1r = 2(6 + r)
12 + -1r = (6 * 2 + r * 2)
12 + -1r = (12 + 2r)

Add '-12' to each side of the equation.
12 + -12 + -1r = 12 + -12 + 2r

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

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

Solving
-1r = 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.
-1r + -2r = 2r + -2r

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

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

Divide each side by '-3'.
r = 0

Simplifying
r = 0

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