How do i find what x is in this equation.
1 2/5x =7
what is x?

Solution

1) Convert 1  to improper fraction. Use this rule: abc=ac+bc
 x =7

2)Simplify 5+2 to 7
 x =7

3)Simplify  x to 
= 7

4) Multiply both sides by 5
7x=7×5

5)  Simplify 7×5 to 35
7x=35

6) Divide both sides by 7
x= 

7) Simplify  to 5
x=5