ryan687
contestada

Also need some help on system of equations, please let me know if substitution or elimination is used and thank you ;)

1)

4y + 5x = 3
2y - 5x = 9

———-

2)

3x+2y = 2
4x - 4y = 1

———-

3)

-3x + 3y = 4
-3x - 9y = 0

Respuesta :

mluz32

1) x

x=−4/5y+3/5

x=2/5y+-9/5

2)

x=-2/3y+2/3

x=y+1/4

3)

x=y+-4/3

x=-3y

All the questions is elimination.

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