Solving Two-Step Equations
Solve the equation:
4x + 3 = 7
x = 1
Solving the inequality & graph:
c - 11 > 22
c > 33
Solve the inequality & graph:
2x+4>12
x>4
Solve the absolute value equation:
|y+2|=8
y=6 or y=-10
The world record for the fastest 100-meter sack race is 39.91 seconds. What is the athlete's average speed to the nearest hundredth of a meter per second?
2.51m/sec
Solve the equation:
2x - 5 = - 11
x = -3
Solve the inequality & graph:
-2x <- 4
x > 2
Solve the inequality & graph:
x/-6+3<=1
x>=12
Solve the absolute value equation:
3|2x+5|+10=37
x=2 or x=-7
A mako shark can swim up to about 20.5 meters per second. A bluefin tuna can swim up to 72.5 kilometers per hour. Which animal has a greater swimming speed?
The mako shark
Solve the equation:
-6 + x/2 = -8
x = -4
Solve the inequality & graph:
7 < x - 5
x > 12
Solve the inequality & graph:
2 + 2x < 8
x<3
Solve and graph the inequality:
-8<1/3(6x+24)<=12
-8<=x<=2
You are planning a vacation. The vacation costs $513.60. You have 6 months to save for the vacation. Describe how much money you need to save each month to pay for the vacation.
s>=$85.60
Solve the equation:
-5 - 2x = -11
x = 3
Solve the inequality & graph
x/-3 < 7
x > -21
Solve the inequality & graph:
-2> 10 - 3x
x > 4
Solve & graph the inequality:
-4|3-2m|+2.8<=-5.2
m<=1/2 or m>=5/2
Internet Provider A charges $42 for the equipment and $75 each month. Internet Provider B charges $30 for the equipment and $81 each month. At how many months is the cost the same for each Provider?
2 months
Solve the equation:
-5(x - 7) = 15
x = 4
Solve the inequality & graph:
-10 < -2x
x < 5
Solve the inequality & graph:
(x+3)/-2>=x
x>=-1
Solve and graph the inequality:
4|2x+1|+7<=3
No Solution
A boat averages 30 miles per hour upstream. On the return trip, the boat averages 35 miles per hour downstream due to the current. The total trip time is 1 hour and 18 minutes. How long does each trip take?
42 min & 36 min