Question

1/5x-2/3y=30 when y=15

Answer 1

Explanation:

Step 1: Set y to 15 and solve

`(1)/(5)x - (2)/(3)*15=30`

`(1)/(5)x-10=30`

Add 10 to both sides

`(1)/(5)x-10+10=30+10`

`(1)/(5)x=40`

Multiply both sides by 5

`(1)/(5)x*(5)/(1)=40*(5)/(1)`

`x=200`

Answer:
`x=200`