19-a=-2a

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Solution for 19-a=-2a equation:


Simplifying
19 + -1a = -2a

Solving
19 + -1a = -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 + -1a + 2a = -2a + 2a

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

Combine like terms: -2a + 2a = 0
19 + 1a = 0

Add '-19' to each side of the equation.
19 + -19 + 1a = 0 + -19

Combine like terms: 19 + -19 = 0
0 + 1a = 0 + -19
1a = 0 + -19

Combine like terms: 0 + -19 = -19
1a = -19

Divide each side by '1'.
a = -19

Simplifying
a = -19

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