84=-3(6r+8)

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Solution for 84=-3(6r+8) equation:


Simplifying
84 = -3(6r + 8)

Reorder the terms:
84 = -3(8 + 6r)
84 = (8 * -3 + 6r * -3)
84 = (-24 + -18r)

Solving
84 = -24 + -18r

Solving for variable 'r'.

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

Add '18r' to each side of the equation.
84 + 18r = -24 + -18r + 18r

Combine like terms: -18r + 18r = 0
84 + 18r = -24 + 0
84 + 18r = -24

Add '-84' to each side of the equation.
84 + -84 + 18r = -24 + -84

Combine like terms: 84 + -84 = 0
0 + 18r = -24 + -84
18r = -24 + -84

Combine like terms: -24 + -84 = -108
18r = -108

Divide each side by '18'.
r = -6

Simplifying
r = -6

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