Question

Solve for
x: 5x + 15 =28

Answer 1

`5x+15=28\ \ \ \ |subtract\ 15\ from\ both\ sides\\\\5x=13\ \ \ \ \ |divide\ both\ sides\ by\ 5\\\\x=(13)/(5)\\\\x=(10+3)/(5)\\\\x=(10)/(5)+(3)/(5)\\\\x=2+(3)/(5)\\\\\boxed{x=2(3)/(5)}`

Answer 2

1) Subtract 15 from 28
=13
2) divide 13 by 5
=2.6

x=2.6