30-a+125+2a=180

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Solution for 30-a+125+2a=180 equation:


Simplifying
30 + -1a + 125 + 2a = 180

Reorder the terms:
30 + 125 + -1a + 2a = 180

Combine like terms: 30 + 125 = 155
155 + -1a + 2a = 180

Combine like terms: -1a + 2a = 1a
155 + 1a = 180

Solving
155 + 1a = 180

Solving for variable 'a'.

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

Add '-155' to each side of the equation.
155 + -155 + 1a = 180 + -155

Combine like terms: 155 + -155 = 0
0 + 1a = 180 + -155
1a = 180 + -155

Combine like terms: 180 + -155 = 25
1a = 25

Divide each side by '1'.
a = 25

Simplifying
a = 25

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