-112=-8(2r-6)-4r

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Solution for -112=-8(2r-6)-4r equation:


Simplifying
-112 = -8(2r + -6) + -4r

Reorder the terms:
-112 = -8(-6 + 2r) + -4r
-112 = (-6 * -8 + 2r * -8) + -4r
-112 = (48 + -16r) + -4r

Combine like terms: -16r + -4r = -20r
-112 = 48 + -20r

Solving
-112 = 48 + -20r

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '20r' to each side of the equation.
-112 + 20r = 48 + -20r + 20r

Combine like terms: -20r + 20r = 0
-112 + 20r = 48 + 0
-112 + 20r = 48

Add '112' to each side of the equation.
-112 + 112 + 20r = 48 + 112

Combine like terms: -112 + 112 = 0
0 + 20r = 48 + 112
20r = 48 + 112

Combine like terms: 48 + 112 = 160
20r = 160

Divide each side by '20'.
r = 8

Simplifying
r = 8

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