7a-5a=15

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Solution for 7a-5a=15 equation: 


Simplifying
7a + -5a = 15

Combine like terms: 7a + -5a = 2a
2a = 15

Solving
2a = 15

Solving for variable 'a'.

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

Divide each side by '2'.
a = 7.5

Simplifying
a = 7.5

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