o+7+o=25

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Solution for o+7+o=25 equation: 


Simplifying
o + 7 + o = 25

Reorder the terms:
7 + o + o = 25

Combine like terms: o + o = 2o
7 + 2o = 25

Solving
7 + 2o = 25

Solving for variable 'o'.

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

Add '-7' to each side of the equation.
7 + -7 + 2o = 25 + -7

Combine like terms: 7 + -7 = 0
0 + 2o = 25 + -7
2o = 25 + -7

Combine like terms: 25 + -7 = 18
2o = 18

Divide each side by '2'.
o = 9

Simplifying
o = 9

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