2a-3+4a=9

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Solution for 2a-3+4a=9 equation: 


Simplifying
2a + -3 + 4a = 9

Reorder the terms:
-3 + 2a + 4a = 9

Combine like terms: 2a + 4a = 6a
-3 + 6a = 9

Solving
-3 + 6a = 9

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + 6a = 9 + 3

Combine like terms: -3 + 3 = 0
0 + 6a = 9 + 3
6a = 9 + 3

Combine like terms: 9 + 3 = 12
6a = 12

Divide each side by '6'.
a = 2

Simplifying
a = 2

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