8(6+r)=40

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Solution for 8(6+r)=40 equation: 


Simplifying
8(6 + r) = 40
(6 * 8 + r * 8) = 40
(48 + 8r) = 40

Solving
48 + 8r = 40

Solving for variable 'r'.

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

Add '-48' to each side of the equation.
48 + -48 + 8r = 40 + -48

Combine like terms: 48 + -48 = 0
0 + 8r = 40 + -48
8r = 40 + -48

Combine like terms: 40 + -48 = -8
8r = -8

Divide each side by '8'.
r = -1

Simplifying
r = -1

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