9-3a+4-a=

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


Simplifying
9 + -3a + 4 + -1a = 0

Reorder the terms:
9 + 4 + -3a + -1a = 0

Combine like terms: 9 + 4 = 13
13 + -3a + -1a = 0

Combine like terms: -3a + -1a = -4a
13 + -4a = 0

Solving
13 + -4a = 0

Solving for variable 'a'.

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

Add '-13' to each side of the equation.
13 + -13 + -4a = 0 + -13

Combine like terms: 13 + -13 = 0
0 + -4a = 0 + -13
-4a = 0 + -13

Combine like terms: 0 + -13 = -13
-4a = -13

Divide each side by '-4'.
a = 3.25

Simplifying
a = 3.25

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