6a+3a-2a=63

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Solution for 6a+3a-2a=63 equation: 


Simplifying
6a + 3a + -2a = 63

Combine like terms: 6a + 3a = 9a
9a + -2a = 63

Combine like terms: 9a + -2a = 7a
7a = 63

Solving
7a = 63

Solving for variable 'a'.

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

Divide each side by '7'.
a = 9

Simplifying
a = 9

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