9=1+4a-3a

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Solution for 9=1+4a-3a equation:


Simplifying
9 = 1 + 4a + -3a

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

Solving
9 = 1 + 1a

Solving for variable 'a'.

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

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

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

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

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

Combine like terms: 1 + -9 = -8
-1a = -8

Divide each side by '-1'.
a = 8

Simplifying
a = 8

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