4a-13=19
Add 13 to both sides of the equation.
4a=19+13
Add 19 and 13.
4a=32
4a=32
Divide each term in 4a=32 by 4.
4a4=324
Cancel the common factor of 4.
Cancel the common factor.
4a4=324
Divide a by 1.
a=324
a=324
Divide 32 by 4.
a=8
a=8
Solve for a 4a-13=19