a-19=13-3a

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Solution for a-19=13-3a equation:


Simplifying
a + -19 = 13 + -3a

Reorder the terms:
-19 + a = 13 + -3a

Solving
-19 + a = 13 + -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.
-19 + a + 3a = 13 + -3a + 3a

Combine like terms: a + 3a = 4a
-19 + 4a = 13 + -3a + 3a

Combine like terms: -3a + 3a = 0
-19 + 4a = 13 + 0
-19 + 4a = 13

Add '19' to each side of the equation.
-19 + 19 + 4a = 13 + 19

Combine like terms: -19 + 19 = 0
0 + 4a = 13 + 19
4a = 13 + 19

Combine like terms: 13 + 19 = 32
4a = 32

Divide each side by '4'.
a = 8

Simplifying
a = 8

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