Simplify
-(2x-3)
-2x+3
7-x=15
x=-8
-3x>-9
y=3x and y+4x=28
(4,12)
The cost of 3 bottles of milk is $6.81. What is the cost of 1 bottle of milk?
3x= 6.81, x=2.27
-3(-2x+5)
6x-15
-2x-3=9
x=-6
x+3>-12
x>-15
y=4x and y+5x=18
(2,8)
The cost of 5 cans of oil, including $0.26 tax, is $4.51. What is the cost of 1 can of oil before taxes?
5x +.26=4.51,
x=0.85
-(-X-6)
X+6
-(x+2)=5
x=-7
8-x>16
x<-8
y=2x+3 and y+3x=23
y =11
An electrician charges $25, plus $20 per hour, for making a service call. How many hours were charged if the total bill was $75
20x + 25 = 75
x=2.5
-2x-4(2x-3)
-10x+12
3x + 8(x + 6) =4
X=-4
8>5-9x
X >-1/3
y=x+4 and 3y+2x=32
x=4
y=8
A shopper bought some cans of soup at $0.39 per can and some packages of frozen vegetables at $0.59 per package. Twice as many packages of vegetables were purchased if their total bill was $9.42?
0.39x+0.59y=9.42,
2x=y
12 packages
4-(2x+3)-2x
-4x+1
- 6(4x+5)+7x=-2x
X=-2
2-(2x+3)>7
x<-4
2x-y=-4 and y=3x-4
(8,20)
A club sold student tickets for $3.25 and full-price tickets for $5.25, and 16 more student tickets were sold than full-price tickets. How many student tickets were sold if the total sales were $2559.50?
x=311
y=295