(a+30)+(2a+30)=180

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Solution for (a+30)+(2a+30)=180 equation:


Simplifying
(a + 30) + (2a + 30) = 180

Reorder the terms:
(30 + a) + (2a + 30) = 180

Remove parenthesis around (30 + a)
30 + a + (2a + 30) = 180

Reorder the terms:
30 + a + (30 + 2a) = 180

Remove parenthesis around (30 + 2a)
30 + a + 30 + 2a = 180

Reorder the terms:
30 + 30 + a + 2a = 180

Combine like terms: 30 + 30 = 60
60 + a + 2a = 180

Combine like terms: a + 2a = 3a
60 + 3a = 180

Solving
60 + 3a = 180

Solving for variable 'a'.

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

Add '-60' to each side of the equation.
60 + -60 + 3a = 180 + -60

Combine like terms: 60 + -60 = 0
0 + 3a = 180 + -60
3a = 180 + -60

Combine like terms: 180 + -60 = 120
3a = 120

Divide each side by '3'.
a = 40

Simplifying
a = 40

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