buddye24 buddye24
  • 10-06-2020
  • Mathematics
contestada

y= 3x+7
y = -2x-3
What would be the x and y for that solution

Respuesta :

ayaanshinde1201
ayaanshinde1201 ayaanshinde1201
  • 10-06-2020

Answer:

So if we are solving for x and y. First we need to subtract both equations. We take each equation and put in parenthesis and subtract.

y-y = (3x+7)-(-2x-3) =

0 = 3x+7+2x+3

0 = 5x+10

-10 = 5x

-2 = x.

Now we need to solve for y.

Plug it in for the first equation. -2*3+7 = -6+7 = 1

Test if we are correct and try in the second equation.

-2*-2-3 = 4-3 = 1

x = -2

y = 1

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