Question

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

Answer 1

Answer:

x=15

Step-by-step explanation:

x-y = 30

x-15= 30

x= 30-15

x=15

Hope it helps u...

Answer 2

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hi,

this problem is a simple substitution.

so you know that y = 15, so substitute it into the equation you were given!

x-y=30

x-15=30

so now with 15 substituted in, all you have to do is move the 15 over to the other side!

x=30-15

and now simplify by subtracting 15 from 30!

x=15

hope this helps!

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