Answer:
x = -6
y= 1
Step-by-step explanation:
make one of the variables equal to each other
4(2x+3y) = -9
3(-x+4y) = 10
subtract
8x+12y = -36
- -3x+12y =30
----------------------
11x = -66
plug back in to find y
8(-6)+12y = -36
12y= 12
y = 1
