(a+16)+(a-18)=180

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Solution for (a+16)+(a-18)=180 equation:


Simplifying
(a + 16) + (a + -18) = 180

Reorder the terms:
(16 + a) + (a + -18) = 180

Remove parenthesis around (16 + a)
16 + a + (a + -18) = 180

Reorder the terms:
16 + a + (-18 + a) = 180

Remove parenthesis around (-18 + a)
16 + a + -18 + a = 180

Reorder the terms:
16 + -18 + a + a = 180

Combine like terms: 16 + -18 = -2
-2 + a + a = 180

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

Solving
-2 + 2a = 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 + 2a = 180 + 2

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

Combine like terms: 180 + 2 = 182
2a = 182

Divide each side by '2'.
a = 91

Simplifying
a = 91

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