2a-1+a+3=180

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Solution for 2a-1+a+3=180 equation:


Simplifying
2a + -1 + a + 3 = 180

Reorder the terms:
-1 + 3 + 2a + a = 180

Combine like terms: -1 + 3 = 2
2 + 2a + a = 180

Combine like terms: 2a + a = 3a
2 + 3a = 180

Solving
2 + 3a = 180

Solving for variable 'a'.

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

Add '-2' to each side of the equation.
2 + -2 + 3a = 180 + -2

Combine like terms: 2 + -2 = 0
0 + 3a = 180 + -2
3a = 180 + -2

Combine like terms: 180 + -2 = 178
3a = 178

Divide each side by '3'.
a = 59.33333333

Simplifying
a = 59.33333333

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