-10r-15=3(11-4r)-58

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Solution for -10r-15=3(11-4r)-58 equation:


Simplifying
-10r + -15 = 3(11 + -4r) + -58

Reorder the terms:
-15 + -10r = 3(11 + -4r) + -58
-15 + -10r = (11 * 3 + -4r * 3) + -58
-15 + -10r = (33 + -12r) + -58

Reorder the terms:
-15 + -10r = 33 + -58 + -12r

Combine like terms: 33 + -58 = -25
-15 + -10r = -25 + -12r

Solving
-15 + -10r = -25 + -12r

Solving for variable 'r'.

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

Add '12r' to each side of the equation.
-15 + -10r + 12r = -25 + -12r + 12r

Combine like terms: -10r + 12r = 2r
-15 + 2r = -25 + -12r + 12r

Combine like terms: -12r + 12r = 0
-15 + 2r = -25 + 0
-15 + 2r = -25

Add '15' to each side of the equation.
-15 + 15 + 2r = -25 + 15

Combine like terms: -15 + 15 = 0
0 + 2r = -25 + 15
2r = -25 + 15

Combine like terms: -25 + 15 = -10
2r = -10

Divide each side by '2'.
r = -5

Simplifying
r = -5

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