7(12-r)=84

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Solution for 7(12-r)=84 equation:


Simplifying
7(12 + -1r) = 84
(12 * 7 + -1r * 7) = 84
(84 + -7r) = 84

Add '-84' to each side of the equation.
84 + -84 + -7r = 84 + -84

Combine like terms: 84 + -84 = 0
0 + -7r = 84 + -84
-7r = 84 + -84

Combine like terms: 84 + -84 = 0
-7r = 0

Solving
-7r = 0

Solving for variable 'r'.

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

Divide each side by '-7'.
r = 0

Simplifying
r = 0

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