esteban79 esteban79

21-10-2020
Mathematics

contestada

PLEASE HELP
y = 4x-9
y=x-3
Your work using substitution

Respuesta :

jasminemiller5656 jasminemiller5656

21-10-2020

Answer:

-36

-3y

Step-by-step explanation:

F

Answer Link

citlali18 citlali18

21-10-2020

Answer:

(4,-7)

Step-by-step explanation:

y=4x-9

y+3=x

y=4(y+3)-9

y=4y+12+9

y=4y+21

y-4y=21

-3y=21

y=-7

Now use y to find x

y+3=x

-7+3=4

x=4

Answer Link

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