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