-112=-4(3r+7)

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Solution for -112=-4(3r+7) equation:


Simplifying
-112 = -4(3r + 7)

Reorder the terms:
-112 = -4(7 + 3r)
-112 = (7 * -4 + 3r * -4)
-112 = (-28 + -12r)

Solving
-112 = -28 + -12r

Solving for variable 'r'.

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

Add '12r' to each side of the equation.
-112 + 12r = -28 + -12r + 12r

Combine like terms: -12r + 12r = 0
-112 + 12r = -28 + 0
-112 + 12r = -28

Add '112' to each side of the equation.
-112 + 112 + 12r = -28 + 112

Combine like terms: -112 + 112 = 0
0 + 12r = -28 + 112
12r = -28 + 112

Combine like terms: -28 + 112 = 84
12r = 84

Divide each side by '12'.
r = 7

Simplifying
r = 7

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