Algebra Recap

Question 1

Workout the value of 3x + 5 when x = 2

Accepted Answer

11

Question 2

Simplify 56mp ÷ 8m

Accepted Answer

7p

Question 3

Simplify p2 +p2

Accepted Answer

2p2

Question 4

Expand 3(2x + 3)

Accepted Answer

6x+9

Question 5

Simplify x + x – x + x

Accepted Answer

2x

Question 6

Workout the value of 3p + 2 when p = 5

Accepted Answer

17

Question 7

Simplify 18b ÷ 6

Accepted Answer

3b

Question 8

I'm thinking of a number I divide it by 3 and subtract 5 my answer is 0 What's my number?

Accepted Answer

15

Question 9

Simplify r x r x r

Accepted Answer

r3

Question 10

Simplify 32tz ÷ 4

Accepted Answer

8tz

Question 11

Simplify 10 + 2a -3 + 5a

Accepted Answer

7(a+1), 7a + 7

Question 12

Simplify 3xy + 4xy - xy

Accepted Answer

6xy

Question 13

Solve 7x + 1 = 15

Accepted Answer

x=2

Question 14

Workout the value of 2a + 3b when a = 4 and b = 7

Accepted Answer

29

Question 15

Simplify 4a + 3a + a

Accepted Answer

8a

Question 16

Simplify 4a x -2b

Accepted Answer

-8ab

Question 17

Factorise 6x + 9

Accepted Answer

3(2x+3)

Question 18

I am thinking of a number I times by 2 and add 5 my answer is 15 What was my starting number?

Accepted Answer

none of the above

Questions 18