-3(r-15.7)=-8.7

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Solution for -3(r-15.7)=-8.7 equation: 


Simplifying
-3(r + -15.7) = -8.7

Reorder the terms:
-3(-15.7 + r) = -8.7
(-15.7 * -3 + r * -3) = -8.7
(47.1 + -3r) = -8.7

Solving
47.1 + -3r = -8.7

Solving for variable 'r'.

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

Add '-47.1' to each side of the equation.
47.1 + -47.1 + -3r = -8.7 + -47.1

Combine like terms: 47.1 + -47.1 = 0.0
0.0 + -3r = -8.7 + -47.1
-3r = -8.7 + -47.1

Combine like terms: -8.7 + -47.1 = -55.8
-3r = -55.8

Divide each side by '-3'.
r = 18.6

Simplifying
r = 18.6

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