3(4r-6)=78

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Solution for 3(4r-6)=78 equation:


Simplifying
3(4r + -6) = 78

Reorder the terms:
3(-6 + 4r) = 78
(-6 * 3 + 4r * 3) = 78
(-18 + 12r) = 78

Solving
-18 + 12r = 78

Solving for variable 'r'.

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

Add '18' to each side of the equation.
-18 + 18 + 12r = 78 + 18

Combine like terms: -18 + 18 = 0
0 + 12r = 78 + 18
12r = 78 + 18

Combine like terms: 78 + 18 = 96
12r = 96

Divide each side by '12'.
r = 8

Simplifying
r = 8

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