kkfuoco03 kkfuoco03
  • 09-10-2017
  • Mathematics
contestada

A system of equations is shown below:

x + y = 3
2x − y = 6

The x-coordinate of the solution to this system of equations is _____.

Respuesta :

mcknightashlyn
mcknightashlyn mcknightashlyn
  • 09-10-2017
x+y=3

Subtract x from both sides

y=-x+3

Substitute

2x--x+3=6
2x+x+3=6
3x+3=6

Subtract 3 from both sides

3x=3

Divide both sides by 3

x=1
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