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08-04-2021
Mathematics

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//5. Use substitution to solve the system of equations
3x - y = 4
2x - 3y = 9
Solution: (
)

5 Use substitution to solve the system of equations 3x y 4 2x 3y 9 Solution class=

Respuesta :

08-04-2021

Answer: (3,5)

Step-by-step explanation:

y=3x-4

2x-3y=-9

2x-3(3x-4)=-9

2x-9x+12=-9

7x=21

x=3

y=3(3)-4

y=5

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