-2a-a+9=3a

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


Simplifying
-2a + -1a + 9 = 3a

Reorder the terms:
9 + -2a + -1a = 3a

Combine like terms: -2a + -1a = -3a
9 + -3a = 3a

Solving
9 + -3a = 3a

Solving for variable 'a'.

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

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

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

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

Add '-9' to each side of the equation.
9 + -9 + -6a = 0 + -9

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

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

Divide each side by '-6'.
a = 1.5

Simplifying
a = 1.5

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