3-a=19+6a-9a

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Solution for 3-a=19+6a-9a equation:


Simplifying
3 + -1a = 19 + 6a + -9a

Combine like terms: 6a + -9a = -3a
3 + -1a = 19 + -3a

Solving
3 + -1a = 19 + -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.
3 + -1a + 3a = 19 + -3a + 3a

Combine like terms: -1a + 3a = 2a
3 + 2a = 19 + -3a + 3a

Combine like terms: -3a + 3a = 0
3 + 2a = 19 + 0
3 + 2a = 19

Add '-3' to each side of the equation.
3 + -3 + 2a = 19 + -3

Combine like terms: 3 + -3 = 0
0 + 2a = 19 + -3
2a = 19 + -3

Combine like terms: 19 + -3 = 16
2a = 16

Divide each side by '2'.
a = 8

Simplifying
a = 8

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