(4o-28)+(o+13)=180

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Solution for (4o-28)+(o+13)=180 equation:


Simplifying
(4o + -28) + (o + 13) = 180

Reorder the terms:
(-28 + 4o) + (o + 13) = 180

Remove parenthesis around (-28 + 4o)
-28 + 4o + (o + 13) = 180

Reorder the terms:
-28 + 4o + (13 + o) = 180

Remove parenthesis around (13 + o)
-28 + 4o + 13 + o = 180

Reorder the terms:
-28 + 13 + 4o + o = 180

Combine like terms: -28 + 13 = -15
-15 + 4o + o = 180

Combine like terms: 4o + o = 5o
-15 + 5o = 180

Solving
-15 + 5o = 180

Solving for variable 'o'.

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

Add '15' to each side of the equation.
-15 + 15 + 5o = 180 + 15

Combine like terms: -15 + 15 = 0
0 + 5o = 180 + 15
5o = 180 + 15

Combine like terms: 180 + 15 = 195
5o = 195

Divide each side by '5'.
o = 39

Simplifying
o = 39

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