Three less than six times a number is 21. What is the number?
n = 4 (6n - 3 = 21)
100
Which expression is equivalent to 9 (6 - t)?
A) 54 - 9t, B) 96 - 9t, or C) 54 - t
A
100
The equation of a linear relation is: y = -3x + 5. One ordered pair belonging to this relation is (1, _).
What is the missing number?
2
200
Solve: 11 = 4a - 1
3
200
Solve: a/7 = 8
56
200
Subtract a number divided by nine from three and the difference is zero. What is the number?
n = 27 (3 - n/9 = 0)
200
Solve: 3 (x + 5) = 36
x = 7
200
The equation of a linear relation is: y = -2x + 7. One ordered pair belonging to this relation is (-8, _).
What is the missing number?
23
300
Solve: 5 + 2m = 9
2
300
Solve: d/(-4) = 5
-20
300
Add 4 to a number divided by -2, and the sum is -3. What is the number?
n = 14 { n/(-2) + 4 = -3 }
300
Solve: 7(-y + 2) = 28
y = -2
300
The equation of a linear relation is: y = -7x + 4. One ordered pair belonging to this relation is (_, 4).
What is the missing number?
0
400
Solve: 1 = 10 - 3x
3
400
Solve: n/4 + 3 = 10
28
400
A number divided by -5 is 7, What is the number?
n = -35 { x/(-5) = 7 }
400
Solve: -6 (c - 9) = -42
c = 16
400
The equation of a linear relation is: y = -5x + 2. One ordered pair belonging to this relation is (_, -13).
What is the missing number?
3
500
Solve: 13 - 2x = 5
4
500
Solve: t/6 + 12 = 18
-36
500
One third of Grade 8 students went to a concert. 4 teachers went too. There were 41 people on the bus including the driver. How many Grade 8 students were there?
108 students (x/3 + 5 = 41)
500
The perimeter of a rectangle is 26 cm, and the length is 8 cm. What is the width of the rectangle?
Width = 5 cm { 26 = 2 (8 + w) }
500
The equation of a linear relation is: y = 9x + 7. One ordered pair belonging to this relation is (_, 38).
What is the missing number?