2a-9=4a-4-3-a

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Solution for 2a-9=4a-4-3-a equation:


Simplifying
2a + -9 = 4a + -4 + -3 + -1a

Reorder the terms:
-9 + 2a = 4a + -4 + -3 + -1a

Reorder the terms:
-9 + 2a = -4 + -3 + 4a + -1a

Combine like terms: -4 + -3 = -7
-9 + 2a = -7 + 4a + -1a

Combine like terms: 4a + -1a = 3a
-9 + 2a = -7 + 3a

Solving
-9 + 2a = -7 + 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 + 2a + -3a = -7 + 3a + -3a

Combine like terms: 2a + -3a = -1a
-9 + -1a = -7 + 3a + -3a

Combine like terms: 3a + -3a = 0
-9 + -1a = -7 + 0
-9 + -1a = -7

Add '9' to each side of the equation.
-9 + 9 + -1a = -7 + 9

Combine like terms: -9 + 9 = 0
0 + -1a = -7 + 9
-1a = -7 + 9

Combine like terms: -7 + 9 = 2
-1a = 2

Divide each side by '-1'.
a = -2

Simplifying
a = -2

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