Respuesta :

Answer:

x=1

Step-by-step explanation:

First we have to isolate y

Subtract 3x from both sides:

y=-3x+9

y=-4x+10

Multiply the bottom by -1:

y=-3x+9

-y=4x-10

Combine the equations:

x-1=0

Add 1 to both sides:

x=1

I hope this helps u pls give a brainliest and a thx ;)

leave a comment if i am wrong