What is the value of x in the equation 1x - ? y = 30, when y = 15?

4

8

80

200

Use the solution below as a guide.

x = 45

Step-by-step explanation:

Your question is not clear, but assuming the Question is 1x - y = 30, when y = 15

Therefore,

Take this 1x - y = 30 ... eqn 1

When y = 15, Substitute for Y in eqn1

1x - 15 = 30

1x = 45

x = 45