Answer:x=7
Step-by-step explanation:
2x-y=11 equation1
x+3y=-5 equation2
multiplying equation 2 by 2 in order to cancel x
2(x+3y=-5)
2x+6y=-10 equation 3
subtacting equation 1 and 3
2x-2x-y-6y=11-(-10)
-7y=21
y=-3
put the value of y in equation 1 to find the value of x
2x-(-3)=11
2x=11+3
2x=14
x=7
