9-2a=a+3

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


Simplifying
9 + -2a = a + 3

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

Solving
9 + -2a = 3 + a

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 + -2a + -1a = 3 + a + -1a

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

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

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

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

Combine like terms: 3 + -9 = -6
-3a = -6

Divide each side by '-3'.
a = 2

Simplifying
a = 2

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