4r-12=-8-2(-r-6)

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Solution for 4r-12=-8-2(-r-6) equation:


Simplifying
4r + -12 = -8 + -2(-1r + -6)

Reorder the terms:
-12 + 4r = -8 + -2(-1r + -6)

Reorder the terms:
-12 + 4r = -8 + -2(-6 + -1r)
-12 + 4r = -8 + (-6 * -2 + -1r * -2)
-12 + 4r = -8 + (12 + 2r)

Combine like terms: -8 + 12 = 4
-12 + 4r = 4 + 2r

Solving
-12 + 4r = 4 + 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 + 4r + -2r = 4 + 2r + -2r

Combine like terms: 4r + -2r = 2r
-12 + 2r = 4 + 2r + -2r

Combine like terms: 2r + -2r = 0
-12 + 2r = 4 + 0
-12 + 2r = 4

Add '12' to each side of the equation.
-12 + 12 + 2r = 4 + 12

Combine like terms: -12 + 12 = 0
0 + 2r = 4 + 12
2r = 4 + 12

Combine like terms: 4 + 12 = 16
2r = 16

Divide each side by '2'.
r = 8

Simplifying
r = 8

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