180=x+100+2a

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Solution for 180=x+100+2a equation:


Simplifying
180 = x + 100 + 2a

Reorder the terms:
180 = 100 + 2a + x

Solving
180 = 100 + 2a + x

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
180 + -2a = 100 + 2a + -2a + x

Combine like terms: 2a + -2a = 0
180 + -2a = 100 + 0 + x
180 + -2a = 100 + x

Add '-180' to each side of the equation.
180 + -180 + -2a = 100 + -180 + x

Combine like terms: 180 + -180 = 0
0 + -2a = 100 + -180 + x
-2a = 100 + -180 + x

Combine like terms: 100 + -180 = -80
-2a = -80 + x

Divide each side by '-2'.
a = 40 + -0.5x

Simplifying
a = 40 + -0.5x

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