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elena55 [62]
3 years ago
15

What is the solution of the system of equations? 2x-y=7 Y=2x+3

Mathematics
1 answer:
Arturiano [62]3 years ago
4 0

Answer:

No solution

Step-by-step explanation:

2x -y =7

y= 2x +3

  1. Substitute the y value. <em>2x-(2x+3)=7 or 2x -2x-3=7 </em>
  2. Eliminate opposites <em>2x <u>-2x</u>-3=7 >>>> -3=7</em>
  3. Answer <em>-3= 7</em> ( false)
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Svetlanka [38]

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Since both of these equations are equal to Y, theyre equal to each other.

So we can make an equation with y = -5x + 24 in one side and y = 4x - 21 on the other.

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Now in order to get the value of x we need to isolate it in one side of the equation. We can do this by subtracting 24 from both sides of the equation:

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Now we subtract 4x from both sides so the 4x shift to the other side

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Finally divide both sides by -9 so x is by itself

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(I'll do both but u only need one)

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Answer:

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