88=8r-8(1+4r)

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Solution for 88=8r-8(1+4r) equation:


Simplifying
88 = 8r + -8(1 + 4r)
88 = 8r + (1 * -8 + 4r * -8)
88 = 8r + (-8 + -32r)

Reorder the terms:
88 = -8 + 8r + -32r

Combine like terms: 8r + -32r = -24r
88 = -8 + -24r

Solving
88 = -8 + -24r

Solving for variable 'r'.

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

Add '24r' to each side of the equation.
88 + 24r = -8 + -24r + 24r

Combine like terms: -24r + 24r = 0
88 + 24r = -8 + 0
88 + 24r = -8

Add '-88' to each side of the equation.
88 + -88 + 24r = -8 + -88

Combine like terms: 88 + -88 = 0
0 + 24r = -8 + -88
24r = -8 + -88

Combine like terms: -8 + -88 = -96
24r = -96

Divide each side by '24'.
r = -4

Simplifying
r = -4

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