9a-60+4a-72=180

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Solution for 9a-60+4a-72=180 equation:


Simplifying
9a + -60 + 4a + -72 = 180

Reorder the terms:
-60 + -72 + 9a + 4a = 180

Combine like terms: -60 + -72 = -132
-132 + 9a + 4a = 180

Combine like terms: 9a + 4a = 13a
-132 + 13a = 180

Solving
-132 + 13a = 180

Solving for variable 'a'.

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

Add '132' to each side of the equation.
-132 + 132 + 13a = 180 + 132

Combine like terms: -132 + 132 = 0
0 + 13a = 180 + 132
13a = 180 + 132

Combine like terms: 180 + 132 = 312
13a = 312

Divide each side by '13'.
a = 24

Simplifying
a = 24

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