Solve ( x + 3 ) ( x + 2 ) - ( x - 1 ) ( x - 2 ) = 7
x = 5
x = 3/8
x = 1/8
x = 4
Find two numbers whose sum is 31 and differnce is 3 :
14 and 17
20 and 11
15 and 16
13 and 18
Solve x ( 2x + 1 ) - 30 % of ( 5x - 2 ) = 7.6
x = 2
x = 3
A father is 4 times as old as his son now. If 5 years later the father’s age becomes 3 times of his age. What are their ages now ?
Age of son - 10 years, ago of father - 35 years
Age of son - 15 years, ago of father - 40 years
Age of son - 10 years, ago of father - 40 years
Age of son - 15 years, ago of father - 35 years
If a number is divided by 9, the quotient is 8 and the remainder is 3. Find the number.
70
75
78
80
What is the sum of two consecutive even numbers, the difference of whose squares is 84.
40
38
44
42
Solve 8x + 9 = 38
29/8
8/29
-29/8
-8/29
One - fifth of a number added to half of it is equal to 9 less than the number. Find the number.
27
28
29
30
Solve ( 2x - 3 ) 2 + ( 2x + 3 ) 2 = ( 8x + 6 ) ( x - 1 ) + 2 2
x = 1
x = -1
x = -2
The difference of two numbers is 7 and their sum is 53. find the numbers.
21
22
23
24
