a*2+3a-9=0

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Solution for a*2+3a-9=0 equation:


Simplifying
a * 2 + 3a + -9 = 0

Reorder the terms for easier multiplication:
2a + 3a + -9 = 0

Reorder the terms:
-9 + 2a + 3a = 0

Combine like terms: 2a + 3a = 5a
-9 + 5a = 0

Solving
-9 + 5a = 0

Solving for variable 'a'.

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

Add '9' to each side of the equation.
-9 + 9 + 5a = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 5a = 0 + 9
5a = 0 + 9

Combine like terms: 0 + 9 = 9
5a = 9

Divide each side by '5'.
a = 1.8

Simplifying
a = 1.8

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