mansnothot316
08.07.2019 •
Mathematics
Asystem of equations is shown below: x + y = 3 2x − y = 6 the x-coordinate of the solution to this system of equations is
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Ответ:
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
Ответ: