maizybaldwin maizybaldwin
  • 25-08-2017
  • Mathematics
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What is the value of x in the equation x – y = 30, when y = 15?

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Jefrafra
Jefrafra Jefrafra
  • 25-08-2017
To solve this, we should substitute in the value of the y and then solve by isolating and simplifying the variable.


x-y=30
x-15=30
 +15 +15
x=45

Using the math above, we can see that x=45.
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