9r+12=68

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Solution for 9r+12=68 equation: 


Simplifying
9r + 12 = 68

Reorder the terms:
12 + 9r = 68

Solving
12 + 9r = 68

Solving for variable 'r'.

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

Add '-12' to each side of the equation.
12 + -12 + 9r = 68 + -12

Combine like terms: 12 + -12 = 0
0 + 9r = 68 + -12
9r = 68 + -12

Combine like terms: 68 + -12 = 56
9r = 56

Divide each side by '9'.
r = 6.222222222

Simplifying
r = 6.222222222

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