88=-5r-4(r-4)

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Solution for 88=-5r-4(r-4) equation:


Simplifying
88 = -5r + -4(r + -4)

Reorder the terms:
88 = -5r + -4(-4 + r)
88 = -5r + (-4 * -4 + r * -4)
88 = -5r + (16 + -4r)

Reorder the terms:
88 = 16 + -5r + -4r

Combine like terms: -5r + -4r = -9r
88 = 16 + -9r

Solving
88 = 16 + -9r

Solving for variable 'r'.

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

Add '9r' to each side of the equation.
88 + 9r = 16 + -9r + 9r

Combine like terms: -9r + 9r = 0
88 + 9r = 16 + 0
88 + 9r = 16

Add '-88' to each side of the equation.
88 + -88 + 9r = 16 + -88

Combine like terms: 88 + -88 = 0
0 + 9r = 16 + -88
9r = 16 + -88

Combine like terms: 16 + -88 = -72
9r = -72

Divide each side by '9'.
r = -8

Simplifying
r = -8

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