Anliz0179
08.03.2021 •
Mathematics
Solve the following system of equations graphically on the set of axes below.
y= -2x-7
x−y=−8
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Ответ:
(-5,3)
Step-by-step explanation:
x-(-2x-7)=-8
Multiply (distribute)
x+2x+7=-8
3x+7=-8
Subtract 7 from both sides
3x=-15
Divide by 3 both sides
x=-5
y=-2(-5)-7
y=10-7
y=3
(-5,3)
Ответ:
Step-by-step explanation:
what is the name of this book or website