Hello :
<span>7x-2y=1 ...(1)
2y=x-1...(2)
</span><span>substitution 2y in (1) :
</span>7x-(x-1) = 1
7x-x+1 = 1
7x = 0
x=0
in (2) : 2y = 0-1
2y = -1 y= -1/2
the <span>system have one solution : (0 ;-1/2)</span>
Answer:
your answer is c
Step-by-step explanation:
I kiss my grandma on the butt lumps
I'm doing the exact same one an i got 48 cubic units for the volume. I still have to draw the rectangular figure though.
Answer: 104 men work for the company
Step-by-step explanation:
man = 4 x
woman = 7--------- you don't need these so i cross it out.
------------------------
total = 11 286
so you get 1144 - 11x
then divide 1144 by 11 and you get x = 104
7 and 9
7^2=49
9^2=81
49+81=130
