(2a+12)+5a=180

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Solution for (2a+12)+5a=180 equation:


Simplifying
(2a + 12) + 5a = 180

Reorder the terms:
(12 + 2a) + 5a = 180

Remove parenthesis around (12 + 2a)
12 + 2a + 5a = 180

Combine like terms: 2a + 5a = 7a
12 + 7a = 180

Solving
12 + 7a = 180

Solving for variable 'a'.

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

Add '-12' to each side of the equation.
12 + -12 + 7a = 180 + -12

Combine like terms: 12 + -12 = 0
0 + 7a = 180 + -12
7a = 180 + -12

Combine like terms: 180 + -12 = 168
7a = 168

Divide each side by '7'.
a = 24

Simplifying
a = 24

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