19-3a=13+a

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


Simplifying
19 + -3a = 13 + a

Solving
19 + -3a = 13 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
19 + -3a + -1a = 13 + a + -1a

Combine like terms: -3a + -1a = -4a
19 + -4a = 13 + a + -1a

Combine like terms: a + -1a = 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 = -6
-4a = -6

Divide each side by '-4'.
a = 1.5

Simplifying
a = 1.5

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