80+8r=56+12r

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Solution for 80+8r=56+12r equation:


Simplifying
80 + 8r = 56 + 12r

Solving
80 + 8r = 56 + 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.
80 + 8r + -12r = 56 + 12r + -12r

Combine like terms: 8r + -12r = -4r
80 + -4r = 56 + 12r + -12r

Combine like terms: 12r + -12r = 0
80 + -4r = 56 + 0
80 + -4r = 56

Add '-80' to each side of the equation.
80 + -80 + -4r = 56 + -80

Combine like terms: 80 + -80 = 0
0 + -4r = 56 + -80
-4r = 56 + -80

Combine like terms: 56 + -80 = -24
-4r = -24

Divide each side by '-4'.
r = 6

Simplifying
r = 6

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