miraalybooo miraalybooo
  • 09-07-2020
  • Mathematics
contestada

Solve the following systems of linear equations: 3x - y = 5 and 2x + y = 5
using elimination. Verify your answer. *

Respuesta :

kiadiicharmel
kiadiicharmel kiadiicharmel
  • 09-07-2020

Step-by-step explanation:

3x-y=5

2x+y=5

Eliminate the ys (-y and y)

Add the rest of the equation

5x=5

Divide by 5

x=1

Plug 1 wherever u see x

Use any one of the equations

3(1)-y=5

3-y=5

Subtract 3 from both sides

-y=2

Divide by -1

y=-2

Check: 3(1)-(-2)=5

3+2=5

5=5

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