Basic
Pre-Algebra
Algebra
100

the sum of 62, 84, and 103?

 249

100

When a negative is added to negative, the result is positive

false

100

Twice a number less than 3 is 11. What is the number?

7

200

A number multiplied by 7 is 63

9

200

-3 + 8 =

5

200

12x + 7 =

3

300

147 is decreased by 9

138

300

-12 x -13 =

156

300

The sum of 43 and 8 diminished by 12

39

400

x+40=35

-5

400

the sum of 27m below the ground and 16m down  

-43

400

If twice the number is added to 14 the result is 56, what is the number?

21

500
3x - 4 =17

7

500

2x+3=15

6

500

The age of James is twice older than the age of Ermalyn. If the sum of their ages is 42, how old is Ermalyn?

14 years old