elijahmoore841
14.05.2021 •
Mathematics
3x + 5y = 9
3x + 2y = 3
Solve the system of equations.
A)
X = 2, y = 3
B)
x = 3, y = 2
C)
x = },y - 2
D)
x = 2, y = -1
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Ответ:
Step-by-step explanation:
3x = 9 - 5y
9-5y+2y=3
9-3y=3
-3y=3-9
-3y=-6
y=2
3x +5y =9
3x + 5(2)= 9
3x + 10= 9
3x= 9-10
3x = -1
x= -1/3
Ответ:
Step-by-step explanation:
Values of x in inequalities are the same
Value of y lies between -1 and -3