15a-7a=120

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Solution for 15a-7a=120 equation: 


Simplifying
15a + -7a = 120

Combine like terms: 15a + -7a = 8a
8a = 120

Solving
8a = 120

Solving for variable 'a'.

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

Divide each side by '8'.
a = 15

Simplifying
a = 15

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