8(r-84)=72

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Solution for 8(r-84)=72 equation:


Simplifying
8(r + -84) = 72

Reorder the terms:
8(-84 + r) = 72
(-84 * 8 + r * 8) = 72
(-672 + 8r) = 72

Solving
-672 + 8r = 72

Solving for variable 'r'.

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

Add '672' to each side of the equation.
-672 + 672 + 8r = 72 + 672

Combine like terms: -672 + 672 = 0
0 + 8r = 72 + 672
8r = 72 + 672

Combine like terms: 72 + 672 = 744
8r = 744

Divide each side by '8'.
r = 93

Simplifying
r = 93

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