6(-3r+5)-5=115

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Solution for 6(-3r+5)-5=115 equation:


Simplifying
6(-3r + 5) + -5 = 115

Reorder the terms:
6(5 + -3r) + -5 = 115
(5 * 6 + -3r * 6) + -5 = 115
(30 + -18r) + -5 = 115

Reorder the terms:
30 + -5 + -18r = 115

Combine like terms: 30 + -5 = 25
25 + -18r = 115

Solving
25 + -18r = 115

Solving for variable 'r'.

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

Add '-25' to each side of the equation.
25 + -25 + -18r = 115 + -25

Combine like terms: 25 + -25 = 0
0 + -18r = 115 + -25
-18r = 115 + -25

Combine like terms: 115 + -25 = 90
-18r = 90

Divide each side by '-18'.
r = -5

Simplifying
r = -5

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