8r+5+7=12

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Solution for 8r+5+7=12 equation: 


Simplifying
8r + 5 + 7 = 12

Reorder the terms:
5 + 7 + 8r = 12

Combine like terms: 5 + 7 = 12
12 + 8r = 12

Add '-12' to each side of the equation.
12 + -12 + 8r = 12 + -12

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

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

Solving
8r = 0

Solving for variable 'r'.

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

Divide each side by '8'.
r = 0

Simplifying
r = 0

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