5+a+3a-a=2a+9-a

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Solution for 5+a+3a-a=2a+9-a equation:


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

Combine like terms: a + 3a = 4a
5 + 4a + -1a = 2a + 9 + -1a

Combine like terms: 4a + -1a = 3a
5 + 3a = 2a + 9 + -1a

Reorder the terms:
5 + 3a = 9 + 2a + -1a

Combine like terms: 2a + -1a = 1a
5 + 3a = 9 + 1a

Solving
5 + 3a = 9 + 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.
5 + 3a + -1a = 9 + 1a + -1a

Combine like terms: 3a + -1a = 2a
5 + 2a = 9 + 1a + -1a

Combine like terms: 1a + -1a = 0
5 + 2a = 9 + 0
5 + 2a = 9

Add '-5' to each side of the equation.
5 + -5 + 2a = 9 + -5

Combine like terms: 5 + -5 = 0
0 + 2a = 9 + -5
2a = 9 + -5

Combine like terms: 9 + -5 = 4
2a = 4

Divide each side by '2'.
a = 2

Simplifying
a = 2

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