9-4a=3a+9

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


Simplifying
9 + -4a = 3a + 9

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

Add '-9' to each side of the equation.
9 + -9 + -4a = 9 + -9 + 3a

Combine like terms: 9 + -9 = 0
0 + -4a = 9 + -9 + 3a
-4a = 9 + -9 + 3a

Combine like terms: 9 + -9 = 0
-4a = 0 + 3a
-4a = 3a

Solving
-4a = 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.
-4a + -3a = 3a + -3a

Combine like terms: -4a + -3a = -7a
-7a = 3a + -3a

Combine like terms: 3a + -3a = 0
-7a = 0

Divide each side by '-7'.
a = 0

Simplifying
a = 0

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