-8(1+2r)=104

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Solution for -8(1+2r)=104 equation: 


Simplifying
-8(1 + 2r) = 104
(1 * -8 + 2r * -8) = 104
(-8 + -16r) = 104

Solving
-8 + -16r = 104

Solving for variable 'r'.

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

Add '8' to each side of the equation.
-8 + 8 + -16r = 104 + 8

Combine like terms: -8 + 8 = 0
0 + -16r = 104 + 8
-16r = 104 + 8

Combine like terms: 104 + 8 = 112
-16r = 112

Divide each side by '-16'.
r = -7

Simplifying
r = -7

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