-8(1+6r)=280

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Solution for -8(1+6r)=280 equation: 


Simplifying
-8(1 + 6r) = 280
(1 * -8 + 6r * -8) = 280
(-8 + -48r) = 280

Solving
-8 + -48r = 280

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 + -48r = 280 + 8

Combine like terms: -8 + 8 = 0
0 + -48r = 280 + 8
-48r = 280 + 8

Combine like terms: 280 + 8 = 288
-48r = 288

Divide each side by '-48'.
r = -6

Simplifying
r = -6

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