(f+18)+(f+18)=180

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Solution for (f+18)+(f+18)=180 equation: 


Simplifying
(f + 18) + (f + 18) = 180

Reorder the terms:
(18 + f) + (f + 18) = 180

Remove parenthesis around (18 + f)
18 + f + (f + 18) = 180

Reorder the terms:
18 + f + (18 + f) = 180

Remove parenthesis around (18 + f)
18 + f + 18 + f = 180

Reorder the terms:
18 + 18 + f + f = 180

Combine like terms: 18 + 18 = 36
36 + f + f = 180

Combine like terms: f + f = 2f
36 + 2f = 180

Solving
36 + 2f = 180

Solving for variable 'f'.

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

Add '-36' to each side of the equation.
36 + -36 + 2f = 180 + -36

Combine like terms: 36 + -36 = 0
0 + 2f = 180 + -36
2f = 180 + -36

Combine like terms: 180 + -36 = 144
2f = 144

Divide each side by '2'.
f = 72

Simplifying
f = 72

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