Math (Solving Equations)
Solve this equation:
2/4 x= 5
x = 10
Simplify the expression:
2 - 9
- 7
Add these integers:
-15 + 7 =
-8
Ralph’s secret number is an even number less than 10 but larger than 6. What is his mystery number?
8
Solve the problem:
3 x 9 x 2 =
54
Solve this equation:
1/3 x = 4
x = 12
Simplify the expression:
7y - 2
7y - 2
Add these integers:
-8 + 7 - 2 =
-2
Ralph’s secret number has the following clues:
• It is more than 7 + 3.
• It is less than 8 + 5.
• It’s also an odd number.
What is Ralph’s secret number?
11
Solve this problem:
642/3
214
16 + 4/5 x = 4
x = 5
Simplify the expression:
-2 + 4x + 8 -2x
6 + 2x
Add these integers:
17 - 4 - 8 + 2 - 9 =
-2
Swimmy III counted by twos. She started at 10 as the first number she said. What was the fifth number she would say?
18
Solve for x:
6(x + 2)m- 3 = 69
x=10
Solve this equation:
3/4 x +67 = 70
x = 4
Simplify the expression:
10x - 6x + 6 + 3
4X + 9
Add these integers:
-21 + 8 - 3 + 8 =
-8
Simmy III's secret number is an even number. It is between 50 and 60. Its ones digit is the number of wheels on 2 bikes. What is Swimmy III’s secret number?
54
Solve:
6 + 2(7) - 3 x 4 =
8
Solve this equation:
3x + 7 - 2 + 4x = 54
x = 7
Simplify the expression:
2x + 4y + 8 - 10 + 6x - 4y
8x - 2
Add these integers:
-24 - 3 + 7 + 64 =
44
The children from Ralph’s neighborhood had a big summer picnic. Children from different street corners came. Miss Martin counted the number of children were at the picnic. Ralph asked her how many children came to the picnic, and Miss Martin gave her these clues:
• There were more than 45.
• There were fewer than 53.
• There was an even number of children.
• The ones place is not 2 or 0.
• The ones place is not 6 either.
How many children came to the big picnic?
48
Solve:
300/3 + 7(8 - 2)=
58