Algebra

Question 1

Simplify 4y-(13y-5x)

Answer 1

5x-9y

Question 2

Factorise completely 7a-21ay

Answer 2

7a(1-3y)

Question 3

Determine value of unknown
2(3-h)-6 = -5h

Answer 3

h=0

Question 4

7+9d = 7d+3

Answer 4

d=-2

Question 5

-2(4+3y) = -2(4+y)

Answer 5

y=0

Question 6

-7+4c = 7c+6

Answer 6

c= -4 1/3

Question 7

5(1+s) = -9s+6

Answer 7

s= 1/14

Question 8

3+v = 2(2v-1)

Answer 8

v= 1 2/3

Question 9

-2-4w = 7w-8

Answer 9

w= 6/11

Question 10

-6(1-m) = 9-2m

Answer 10

m= 1 7/8

Question 11

-2q-3 = -2(2q+1)

Answer 11

q= 1/2

Question 12

6n+7 = 2n+5

Answer 12

n= -1/2

Question 13

2(3x-2)+9 = -5x

Answer 13

x= -5/11

Question 14

3(1+p) = -5(p+1)

Answer 14

p= -1

Question 15

3(1-3g) = -7+g

Answer 15

g=1

Question 16

1+2b = 4b+9

Answer 16

b= -4

Question 17

2z+6 = 3z+1

Answer 17

z= 5

Question 18

5a-2 = -9a+8

Answer 18

a= 5/7

Question 19

6t-5 = -9t-9

Answer 19

t= -4/15

Question 20

-1+3f = -7-6f

Answer 20

f= -2/3

Question 21

2+r = 7+6r

Answer 21

r= -1

Question 22

-6k+1 = -2+7k

Answer 22

k= 3/13

Question 23

r= -q[2] x (1/4 - p)
Find the value of r when q=-2 and p=3

Answer 23

11

Question 24

Simplify each expression
2(4+9w)

Answer 24

18w+8

Question 25

-8(6x+3)

Answer 25

-48x-24

Question 26

-4(-4d-5)

Answer 26

16d+20

Question 27

-6(8p+3)

Answer 27

-48p-18

Question 28

2(3v-8)

Answer 28

6v-16

Question 29

(2-5m)(-5)

Answer 29

25m-10

Question 30

4(-6z+4)

Answer 30

-24z+16

Question 31

-9(n-4)

Answer 31

-9n+36

Question 32

(-5d+1)(-2)

Answer 32

10d-2

Question 33

-4(9k+9)

Answer 33

-36k-36

Question 34

2(-5-7j)

Answer 34

-14j-10

Question 35

(3b-2)(-3)

Answer 35

-9b+6

Question 36

-3(3-8j)

Answer 36

24j-9

Question 37

-(-5-3v)

Answer 37

3v+5

Question 38

-8(2+9v)

Answer 38

-72v-16

Question 39

-9(8-2h)

Answer 39

18h-72

Question 40

(-5f+8)4

Answer 40

-20f+32

Question 41

(7x-8)(-1)

Answer 41

-7x+8

Question 42

-(6-4p)

Answer 42

4p-6

Question 43

9(8+5t)

Answer 43

45t+72