a-13+a+4+55=180

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Solution for a-13+a+4+55=180 equation:


Simplifying
a + -13 + a + 4 + 55 = 180

Reorder the terms:
-13 + 4 + 55 + a + a = 180

Combine like terms: -13 + 4 = -9
-9 + 55 + a + a = 180

Combine like terms: -9 + 55 = 46
46 + a + a = 180

Combine like terms: a + a = 2a
46 + 2a = 180

Solving
46 + 2a = 180

Solving for variable 'a'.

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

Add '-46' to each side of the equation.
46 + -46 + 2a = 180 + -46

Combine like terms: 46 + -46 = 0
0 + 2a = 180 + -46
2a = 180 + -46

Combine like terms: 180 + -46 = 134
2a = 134

Divide each side by '2'.
a = 67

Simplifying
a = 67

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