8(r-83)=40

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Solution for 8(r-83)=40 equation: 


Simplifying
8(r + -83) = 40

Reorder the terms:
8(-83 + r) = 40
(-83 * 8 + r * 8) = 40
(-664 + 8r) = 40

Solving
-664 + 8r = 40

Solving for variable 'r'.

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

Add '664' to each side of the equation.
-664 + 664 + 8r = 40 + 664

Combine like terms: -664 + 664 = 0
0 + 8r = 40 + 664
8r = 40 + 664

Combine like terms: 40 + 664 = 704
8r = 704

Divide each side by '8'.
r = 88

Simplifying
r = 88

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