Question

Enter the value of n so the expression (-y+5.3) + (7.2y -9) is equivalent to 6.2y + n

Answer 1

`( - y + 5.3) + (7.2y - 9) = (7.2y - 1y) + (5.3 - 9)`

1. The variable Y by its self is the same thing as 1Y and since the Y is negative you have to subtract 1Y from 7.2Y.

`7.2y - 1.0y`
2. This equation give you the answer 6.2Y.

3.Then you want to do 5.3-9 and since 9 is bigger, you're answer is going to be negative.

`5.3 - 9 = - 3.7`

`4. \: n = - 3.7`