x+100+2a=180

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


Simplifying
x + 100 + 2a = 180

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

Solving
100 + 2a + x = 180

Solving for variable 'a'.

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

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

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

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

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

Add '-1x' to each side of the equation.
2a + x + -1x = 80 + -1x

Combine like terms: x + -1x = 0
2a + 0 = 80 + -1x
2a = 80 + -1x

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

Simplifying
a = 40 + -0.5x

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