-8-16r=12r+20

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Solution for -8-16r=12r+20 equation:


Simplifying
-8 + -16r = 12r + 20

Reorder the terms:
-8 + -16r = 20 + 12r

Solving
-8 + -16r = 20 + 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.
-8 + -16r + -12r = 20 + 12r + -12r

Combine like terms: -16r + -12r = -28r
-8 + -28r = 20 + 12r + -12r

Combine like terms: 12r + -12r = 0
-8 + -28r = 20 + 0
-8 + -28r = 20

Add '8' to each side of the equation.
-8 + 8 + -28r = 20 + 8

Combine like terms: -8 + 8 = 0
0 + -28r = 20 + 8
-28r = 20 + 8

Combine like terms: 20 + 8 = 28
-28r = 28

Divide each side by '-28'.
r = -1

Simplifying
r = -1

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