multi- step equations
liner equations
system equations
solutions
random
100
what is the mistake 2(3x-6)=7x+10 6x-6=7x+10 -6 = -6 6x=7x+4 -7x=-7x +4 -1x=4
What is -6
100
Two small pitchers and one large pitcher can hold 8 cups of water. One large pitcher minus one small pitcher constitutes 2 cups of water. How many cups of water can each pitcher hold? Let x = small pitcher y = large pitcher
What is 2x + y = 8 y - x = 2
100
2(x-1)+8+4x-20
What is one solution x=13
100
x-4y-z=3
What is no solution 0=-3
200
answer: 5b+8+3b+4=40
What is b=8
200
A test has twenty questions worth 100 points. The test consists of True/False questions worth 3 points each and multiple choice questions worth 11 points each. How many multiple choice questions are on the test? Let x = T/F questions Let y = Multiple Choice questions
What is x + y = 20 3x + 11y = 100
200
7n-2=5n+6
What is one solution n=4
200
whats the mistake and correct answer 2x-12=5 2x-12=5-12 2x=-7 2/2=-7/2 -3.5
What is -12
300
solve for b: 3(23-2b)+3b=48
What is b=7
300
Margie is responsible for buying a week's supply of food and medication for the dogs and cats at a local shelter. The food and medication for each dog costs twice as much as those supplies for a cat. She needs to feed 164 cats and 24 dogs. Her budget is $4240. How much can Margie spend on each dog for food and medication? Let c = cost per cat Let d = cost per dog
What is 164c + 24d = 4240 d = 2c
300
5(x+12)=7+5x
What is no solution 60 is not = 7
300
5x + 2y = 48 3x + 2y = 32
What is 2x = 16 x = 8. The cost of an adult ticket is $8.
400
solve for x: 3.(2/3x - 2)=3.4
What is x=9
400
The equations 5x + 2y = 48 and 3x + 2y = 32 represent the money collected from school concert tickets sales during two class periods. If x represents the cost for each adult ticket and y represents the cost for each student ticket, what is the cost for each adult ticket?
What is 5x + 2y = 48 3x + 2y = 32
400
2(2x+2)=4x +4
What is many solutions 4x+4=4x+4
500
solve for t: 9(t + 3)-6t=3 _____ 2
What is t+7
500
Mrs. B. invested $30,000; part at 5%, and part at 8%. The total interest on the investment was $2,100. How much did she invest at each rate?
What is 1) Total investment: x + y = 30,000 2) Total interest .05x + .08y = 2,100
500
3x+5-x=2x+7
What is no solution 0=2
500
2(8x+2)=16x+4
What is many solutions. 16x+4=16x+4
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