7a-2a=9

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Solution for 7a-2a=9 equation: 


Simplifying
7a + -2a = 9

Combine like terms: 7a + -2a = 5a
5a = 9

Solving
5a = 9

Solving for variable 'a'.

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

Divide each side by '5'.
a = 1.8

Simplifying
a = 1.8

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