(x-2y)+y+(124-x)+a=180

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Solution for (x-2y)+y+(124-x)+a=180 equation:


Simplifying
(x + -2y) + y + (124 + -1x) + a = 180

Remove parenthesis around (x + -2y)
x + -2y + y + (124 + -1x) + a = 180

Remove parenthesis around (124 + -1x)
x + -2y + y + 124 + -1x + a = 180

Reorder the terms:
124 + a + x + -1x + -2y + y = 180

Combine like terms: x + -1x = 0
124 + a + 0 + -2y + y = 180
124 + a + -2y + y = 180

Combine like terms: -2y + y = -1y
124 + a + -1y = 180

Solving
124 + a + -1y = 180

Solving for variable 'a'.

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

Add '-124' to each side of the equation.
124 + a + -124 + -1y = 180 + -124

Reorder the terms:
124 + -124 + a + -1y = 180 + -124

Combine like terms: 124 + -124 = 0
0 + a + -1y = 180 + -124
a + -1y = 180 + -124

Combine like terms: 180 + -124 = 56
a + -1y = 56

Add 'y' to each side of the equation.
a + -1y + y = 56 + y

Combine like terms: -1y + y = 0
a + 0 = 56 + y
a = 56 + y

Simplifying
a = 56 + y

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