Equation 1:
x = (5y+11)/2
Substitute equation 1 to 2:
-2((5y+11)/2)+ 3y=-9
-2/2 = -1 thus -1(5y+11)
Continue...
-(5y+11)+3y=-9
-5y-11+3y =-9
(-5+3)y= 11-9
-2y = 2
y=-1
Substitute y into equation 1:
x=(5*-1+11)/2
x = 6/2=3
So y=-1 and x =3
Answer:
look at picture
Step-by-step explanation:
x: adult tickets
y: student tickets
Answer:
it will be 20$ if im wrong you can correct me
I'm sorry I can't see it clearly.
Answer:
9(7j)/63j
Step-by-step explanation:
9(2j+5j)
= 9(7j)
= 63j