Step-by-step explanation:
2a-10=5(4+.2a)
Use the distributive property to multiply 5 by 4+0.2a..
2a-10=20+a
Subtract a from both sides.
2a-10-a=20
Combine 2a and -a to get a.
a-10=20
Add 10 to both sides.
a=20+10
Add 20 and 10 to get 30.
a=30
