180=a+b+(180-2a)

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Solution for 180=a+b+(180-2a) equation:


Simplifying
180 = a + b + (180 + -2a)

Remove parenthesis around (180 + -2a)
180 = a + b + 180 + -2a

Reorder the terms:
180 = 180 + a + -2a + b

Combine like terms: a + -2a = -1a
180 = 180 + -1a + b

Add '-180' to each side of the equation.
180 + -180 = 180 + -1a + -180 + b

Combine like terms: 180 + -180 = 0
0 = 180 + -1a + -180 + b

Reorder the terms:
0 = 180 + -180 + -1a + b

Combine like terms: 180 + -180 = 0
0 = 0 + -1a + b
0 = -1a + b

Solving
0 = -1a + b

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
0 + a = -1a + a + b
Remove the zero:
a = -1a + a + b

Combine like terms: -1a + a = 0
a = 0 + b
a = b

Simplifying
a = b

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