8 Math Algebra

Solve

100

x+2=12

10

200

x-3=1

4

300

2x+4=14

5

Substitution

100

find y=2x when x=2

4

200

find y=x + 5 when x=2

7

300

find y=2x+k when x=2 and k = 9

13

Like Terms

100

2x + 4x

6x

200

13h-3h

10h

300

5p+p-9k

6p-9k

Expansion

100

2(x+3)

2x+6

200

4(x-2)

4x-8

300

6(2-6w)+2w

12-34w

Factorisation

100

3x+6

3(x+2)

200

5g+25

5(g+5)

300

49u-28au

7u(7-4a)