krystalmontes6
krystalmontes6 krystalmontes6
  • 17-11-2021
  • Mathematics
contestada

Solve by substitution.

x=y+2
x-2y=-1

I'll give Brainliest to the first person
Please explain step by step.

Respuesta :

searsrachel13 searsrachel13
  • 17-11-2021

y=3
x=5

Since x=y+2 you can put it in the second equation

(y+2)-2y=-1
If you solve this then

y=3

You can put this in for y in the first equation

x=3+2

So
x=5

Hope this helps!!
Answer Link
mepewouadrienne mepewouadrienne
  • 17-11-2021
We first choose the equation 1 as the formula,then you use equation 2 to be solve.I’ll send a picture for you to understand .Sorry if you see a bracket in y+2 I cancelled for no confusion
Ver imagen mepewouadrienne
Answer Link

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