2a+(a+84)=180

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Solution for 2a+(a+84)=180 equation:


Simplifying
2a + (a + 84) = 180

Reorder the terms:
2a + (84 + a) = 180

Remove parenthesis around (84 + a)
2a + 84 + a = 180

Reorder the terms:
84 + 2a + a = 180

Combine like terms: 2a + a = 3a
84 + 3a = 180

Solving
84 + 3a = 180

Solving for variable 'a'.

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

Add '-84' to each side of the equation.
84 + -84 + 3a = 180 + -84

Combine like terms: 84 + -84 = 0
0 + 3a = 180 + -84
3a = 180 + -84

Combine like terms: 180 + -84 = 96
3a = 96

Divide each side by '3'.
a = 32

Simplifying
a = 32

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