Answer:
a= 2/5 =0.4
Explanation:
19a−6=4a
Subtract 4a from both sides.
19a−6−4a=0
Combine 19a and −4a to get 15a.
15a−6=0
Add 6 to both sides. Anything plus zero gives itself.
15a=6
Divide both sides by 15.
a= 6/15
Reduce the fraction 6/15 to lowest terms by extracting and canceling out 3.
a=2/5