Seudónimo Seudónimo
  • 10-11-2015
  • Mathematics
contestada

What is the value of x in the equation 3x – y = 18, when y = 27?

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Аноним Аноним
  • 10-11-2015
Hey!
Okay so we first can take out "y" and put in 27 since the question is stating that y=27.
Now we are going to Add 27 to both of the sides to make the problem look like this: 
3x-27+27=18+27
Got it?
Now we have step 2. 
Divide 3 by BOTH sides.
[tex] \frac{3x}{3} = \frac{45}{3} [/tex]
And you get 15, Therefore you have x=15
•❋Korey❋•
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