2a+(a+87)=180

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Solution for 2a+(a+87)=180 equation:


Simplifying
2a + (a + 87) = 180

Reorder the terms:
2a + (87 + a) = 180

Remove parenthesis around (87 + a)
2a + 87 + a = 180

Reorder the terms:
87 + 2a + a = 180

Combine like terms: 2a + a = 3a
87 + 3a = 180

Solving
87 + 3a = 180

Solving for variable 'a'.

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

Add '-87' to each side of the equation.
87 + -87 + 3a = 180 + -87

Combine like terms: 87 + -87 = 0
0 + 3a = 180 + -87
3a = 180 + -87

Combine like terms: 180 + -87 = 93
3a = 93

Divide each side by '3'.
a = 31

Simplifying
a = 31

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