-3(r-5)=28

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Solution for -3(r-5)=28 equation:


Simplifying
-3(r + -5) = 28

Reorder the terms:
-3(-5 + r) = 28
(-5 * -3 + r * -3) = 28
(15 + -3r) = 28

Solving
15 + -3r = 28

Solving for variable 'r'.

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

Add '-15' to each side of the equation.
15 + -15 + -3r = 28 + -15

Combine like terms: 15 + -15 = 0
0 + -3r = 28 + -15
-3r = 28 + -15

Combine like terms: 28 + -15 = 13
-3r = 13

Divide each side by '-3'.
r = -4.333333333

Simplifying
r = -4.333333333

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