Skip to content
GCSE
Find course
Features
Open app
GCSE
Maths WJEC
Question bank
Substitution
Easy
Medium
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
Question 5
74%
Highlight
Mark as complete
Markscheme
y=4x+6zy = 4x + 6z
y
=
4
x
+
6
z
x=7x = 7
x
=
7
z=−3z = -3
z
=
−
3
Work out the value of
yy
y
.
[2]
Write your answer here...
Markscheme
Ask Genie
3
Grade answer
Ask me anything!
Substitution Questions
GCSE
/
Maths
/
Substitution
