-8(8-7r)=-120

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Solution for -8(8-7r)=-120 equation: 


Simplifying
-8(8 + -7r) = -120
(8 * -8 + -7r * -8) = -120
(-64 + 56r) = -120

Solving
-64 + 56r = -120

Solving for variable 'r'.

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

Add '64' to each side of the equation.
-64 + 64 + 56r = -120 + 64

Combine like terms: -64 + 64 = 0
0 + 56r = -120 + 64
56r = -120 + 64

Combine like terms: -120 + 64 = -56
56r = -56

Divide each side by '56'.
r = -1

Simplifying
r = -1

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