4a-9=3a-9

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


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

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

Combine like terms: 3a + -3a = 0
1a = 0

Divide each side by '1'.
a = 0

Simplifying
a = 0

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