-3(1-8r)-4=89

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Solution for -3(1-8r)-4=89 equation:


Simplifying
-3(1 + -8r) + -4 = 89
(1 * -3 + -8r * -3) + -4 = 89
(-3 + 24r) + -4 = 89

Reorder the terms:
-3 + -4 + 24r = 89

Combine like terms: -3 + -4 = -7
-7 + 24r = 89

Solving
-7 + 24r = 89

Solving for variable 'r'.

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

Add '7' to each side of the equation.
-7 + 7 + 24r = 89 + 7

Combine like terms: -7 + 7 = 0
0 + 24r = 89 + 7
24r = 89 + 7

Combine like terms: 89 + 7 = 96
24r = 96

Divide each side by '24'.
r = 4

Simplifying
r = 4

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