-3(4r+5)-2r=83

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Solution for -3(4r+5)-2r=83 equation: 


Simplifying
-3(4r + 5) + -2r = 83

Reorder the terms:
-3(5 + 4r) + -2r = 83
(5 * -3 + 4r * -3) + -2r = 83
(-15 + -12r) + -2r = 83

Combine like terms: -12r + -2r = -14r
-15 + -14r = 83

Solving
-15 + -14r = 83

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 + -14r = 83 + 15

Combine like terms: -15 + 15 = 0
0 + -14r = 83 + 15
-14r = 83 + 15

Combine like terms: 83 + 15 = 98
-14r = 98

Divide each side by '-14'.
r = -7

Simplifying
r = -7

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