Answer:
(x,y)=(7,8)
Step-by-step explanation:
-x + y = 1
-7x + 6y = -1
x=-1+y
-7(-1+y)+6y=-1
7+(-7y)+6y=-1
-y=-8
y=8
x=-1+8
x=7
Answer:x=7, y= 8
Step-by-step explanation: y= x+1, put in 2nd equaiton to get, -7x + 6x+6 =- 1, -x = -7, x=7. -7+y=1 ,y=8
7z
subtracting a negative is like adding
Answer:$50
So we have the sweater that’s $30 with a sale of 60% of the original price.
That means $30=60% of the original
So
30=60%start with this
5=10% divide 6 by both sides to get 10%
50=100% times by 10 to get 100%, which is the original price.
So the original price of this sweater is $50
:D
2.66666666667
2.6666666667x3=8
