19=3-2a

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Solution for 19=3-2a equation:


Simplifying
19 = 3 + -2a

Solving
19 = 3 + -2a

Solving for variable 'a'.

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

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

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

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

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

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

Divide each side by '2'.
a = -8

Simplifying
a = -8

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