19=7a-6a

Solution for 19=7a-6a equation:

Simplifying
19 = 7a + -6a

Combine like terms: 7a + -6a = 1a
19 = 1a

Solving
19 = 1a

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 + -1a = 1a + -1a

Combine like terms: 1a + -1a = 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