Answer:
x=2, y= 21
Step-by-step explanation:
y = 6x + 9
y = 7x + 7
Since both equations are equal to y, we can set them equal to each other
6x+9 = 7x+7
Subtract 6x from each side
6x+9-6x = 7x -6x+7
9 = x+7
Subtract 7 from each side
9-7 = x+7-7
x=2
Now we need to find y
y = 6x+9
y = 6(2) +9
y = 12 +9
y = 21
11. 57% = 0.57
12. retail price = c + (0.57c)
13. retail price = 45 + (0.57 x 45)
retail price = 45 + 25.65
retail price = $70.65
14. 57% was added to the original price of the chain which is $25.65
Answer:
The sides are not equal
Step-by-step explanation: