128=-8r

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Solution for 128=-8r equation:


Simplifying
128 = -8r

Solving
128 = -8r

Solving for variable 'r'.

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

Add '8r' to each side of the equation.
128 + 8r = -8r + 8r

Combine like terms: -8r + 8r = 0
128 + 8r = 0

Add '-128' to each side of the equation.
128 + -128 + 8r = 0 + -128

Combine like terms: 128 + -128 = 0
0 + 8r = 0 + -128
8r = 0 + -128

Combine like terms: 0 + -128 = -128
8r = -128

Divide each side by '8'.
r = -16

Simplifying
r = -16

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