112=-8+8(7-4r)

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Solution for 112=-8+8(7-4r) equation:


Simplifying
112 = -8 + 8(7 + -4r)
112 = -8 + (7 * 8 + -4r * 8)
112 = -8 + (56 + -32r)

Combine like terms: -8 + 56 = 48
112 = 48 + -32r

Solving
112 = 48 + -32r

Solving for variable 'r'.

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

Add '32r' to each side of the equation.
112 + 32r = 48 + -32r + 32r

Combine like terms: -32r + 32r = 0
112 + 32r = 48 + 0
112 + 32r = 48

Add '-112' to each side of the equation.
112 + -112 + 32r = 48 + -112

Combine like terms: 112 + -112 = 0
0 + 32r = 48 + -112
32r = 48 + -112

Combine like terms: 48 + -112 = -64
32r = -64

Divide each side by '32'.
r = -2

Simplifying
r = -2

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