-100=-2(6r+8)

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Solution for -100=-2(6r+8) equation: 


Simplifying
-100 = -2(6r + 8)

Reorder the terms:
-100 = -2(8 + 6r)
-100 = (8 * -2 + 6r * -2)
-100 = (-16 + -12r)

Solving
-100 = -16 + -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.
-100 + 12r = -16 + -12r + 12r

Combine like terms: -12r + 12r = 0
-100 + 12r = -16 + 0
-100 + 12r = -16

Add '100' to each side of the equation.
-100 + 100 + 12r = -16 + 100

Combine like terms: -100 + 100 = 0
0 + 12r = -16 + 100
12r = -16 + 100

Combine like terms: -16 + 100 = 84
12r = 84

Divide each side by '12'.
r = 7

Simplifying
r = 7

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