-5a+9+3a=4a-9a

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Solution for -5a+9+3a=4a-9a equation:


Simplifying
-5a + 9 + 3a = 4a + -9a

Reorder the terms:
9 + -5a + 3a = 4a + -9a

Combine like terms: -5a + 3a = -2a
9 + -2a = 4a + -9a

Combine like terms: 4a + -9a = -5a
9 + -2a = -5a

Solving
9 + -2a = -5a

Solving for variable 'a'.

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

Add '5a' to each side of the equation.
9 + -2a + 5a = -5a + 5a

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

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

Add '-9' to each side of the equation.
9 + -9 + 3a = 0 + -9

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

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

Divide each side by '3'.
a = -3

Simplifying
a = -3

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