180-x+180-2a+180-2b+180-x-40=360

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Solution for 180-x+180-2a+180-2b+180-x-40=360 equation:


Simplifying
180 + -1x + 180 + -2a + 180 + -2b + 180 + -1x + -40 = 360

Reorder the terms:
180 + 180 + 180 + 180 + -40 + -2a + -2b + -1x + -1x = 360

Combine like terms: 180 + 180 = 360
360 + 180 + 180 + -40 + -2a + -2b + -1x + -1x = 360

Combine like terms: 360 + 180 = 540
540 + 180 + -40 + -2a + -2b + -1x + -1x = 360

Combine like terms: 540 + 180 = 720
720 + -40 + -2a + -2b + -1x + -1x = 360

Combine like terms: 720 + -40 = 680
680 + -2a + -2b + -1x + -1x = 360

Combine like terms: -1x + -1x = -2x
680 + -2a + -2b + -2x = 360

Solving
680 + -2a + -2b + -2x = 360

Solving for variable 'a'.

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

Add '-680' to each side of the equation.
680 + -2a + -2b + -680 + -2x = 360 + -680

Reorder the terms:
680 + -680 + -2a + -2b + -2x = 360 + -680

Combine like terms: 680 + -680 = 0
0 + -2a + -2b + -2x = 360 + -680
-2a + -2b + -2x = 360 + -680

Combine like terms: 360 + -680 = -320
-2a + -2b + -2x = -320

Add '2b' to each side of the equation.
-2a + -2b + 2b + -2x = -320 + 2b

Combine like terms: -2b + 2b = 0
-2a + 0 + -2x = -320 + 2b
-2a + -2x = -320 + 2b

Add '2x' to each side of the equation.
-2a + -2x + 2x = -320 + 2b + 2x

Combine like terms: -2x + 2x = 0
-2a + 0 = -320 + 2b + 2x
-2a = -320 + 2b + 2x

Divide each side by '-2'.
a = 160 + -1b + -1x

Simplifying
a = 160 + -1b + -1x

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