The expression is 4x + 19 because it goes up in 4 (27-23 etc) however it doesn't start on 4 it starts on 23 so you have to add 19 because 4+19=23
Answer = 4x + 19
Answer:
Rs. 10,100
Step-by-step explanation:
Sale price = 8820
Amount Lost on sale = 1280
The cost price of the camera:
Amount at which camera was sold + amount lost at that sale price
Rs. 8820 + Rs. 1280
= Rs. 10,100
Hence, cost price of camera was Rs. 10,100
Answer:
-4 See Below:
Step-by-step explanation:
When you have a system of equations, you need to solve for one variable, and subsitute that variable into the other equation to solve for the other variables value.
3x +6y = 30 In this case, it would be easier to solve for x.
3x= 30-6y Divide both sides by 3
x= 10-2y
Now we substitute for x in the other equation.
5x- 4y = 22
5(10-2y)-4y=22
50-10y-4y=22
50-14y=22 Add 14y to both sides
50= 14y + 22 Subtract 22 from both sides
28 = 14y Divide by 14 on both sides.
y = 2
Substitute y=2 and solve for x.
x = 10- 2y
x= 10-2*2
x= 10-4
x= 6
Now we know y=2 and x=6, so we can substitute them into x-5y to find its value.
x - 5y
= 6-5*2
=6-10
= -4
Answer:
2/7 Gallons or 0.29 gallons approx.
Step-by-step explanation:
Well if you have 2 gallons of juice and 7 people then divide 2 gallons by 7 people.