3+4a=19+a(3)+-9a

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Solution for 3+4a=19+a(3)+-9a equation:


Simplifying
3 + 4a = 19 + a(3) + -9a

Reorder the terms for easier multiplication:
3 + 4a = 19 + 3a + -9a

Combine like terms: 3a + -9a = -6a
3 + 4a = 19 + -6a

Solving
3 + 4a = 19 + -6a

Solving for variable 'a'.

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

Add '6a' to each side of the equation.
3 + 4a + 6a = 19 + -6a + 6a

Combine like terms: 4a + 6a = 10a
3 + 10a = 19 + -6a + 6a

Combine like terms: -6a + 6a = 0
3 + 10a = 19 + 0
3 + 10a = 19

Add '-3' to each side of the equation.
3 + -3 + 10a = 19 + -3

Combine like terms: 3 + -3 = 0
0 + 10a = 19 + -3
10a = 19 + -3

Combine like terms: 19 + -3 = 16
10a = 16

Divide each side by '10'.
a = 1.6

Simplifying
a = 1.6

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