Chris is upgrading her Internet service. Fast Internet charges for installation $60 and $50.45 per month. Quick Internet has free installation but charges $57.95 per month. When are they the same price?
8 months
100
x - 9 = 8(2x + 3) - 18
x = -1
100
4x + 2 = 4x - 3
No Solution
200
3/4 x - 18 = 1/4 x - 4
x = 28
200
Movers R Us charges $840 plus $17 per hour. Moving Right Along charges $760 plus $22 per hour. When are they the same price?
16 hours
200
10 + 4x = 5(x-6) + 33
x = 7
200
3(4x + 3) -2 = 12x + 7
Infinitely Many Solutions
300
2.25x + 5 = 13.5x + 14
x = -0.8
300
Matt has $100 in his lunch account and spends $6 a day. Tim has $160 in his lunch account and spends $10 a day. When do they have the same amount in their accounts?
10 days
300
1/2 (16 - x) = -12(x +7)
x = -8
300
Complete the equation so it has a solution of x = 3
2(2x + 5) = 4x + ____
10
400
2/11 x + 16 = 4 + 6/11 x
x = 33
400
What does R have to equal in order to make this have infinitely many solutions?
4x + R = 2(2x - 1) + 3