This web page contains a live and functional spreadsheet created with
SpreadsheetConverter
. Please enable JavaScript in your web browser for the live calculations to work properly.
Give Answers to 2 decimal places.
Q1)
4 x + 3 y =
17
x =
2 x - 2 y =
-2
y =
Q2)
2 x + 2 y =
20
x =
4 x + y =
25
y =
Q3)
5 x - y =
9
x =
2 x + 5 y =
9
y =
Q4)
2 x - 3 y =
23
x =
3 x + 5 y =
6
y =
Q5)
5 x - 2 y =
32
x =
4 x - 3 y =
27
y =
Q6)
5 x - 4 y =
11
x =
4 x + y =
34
y =
Q7)
3 x + 2 y =
10
x =
5 x + 3 y =
17
y =
Q8)
5 x + 6 y =
20
x =
2 x - 4 y =
3
y =
Q9)
6 x + 8 y =
24
x =
7 x + 9 y =
-2
y =
Q10)
12 x + 5 y =
34
x =
-7 x + 8 y =
23
y =
Challenge Questions involving 3 unknowns:
Q11)
x + 2 y + 3 z =
19
x =
2 x + 3 y + z =
2
y =
x + 4 y + 5 z =
27
z =
Q12)
3 x - 4 y + 6 z =
19
x =
5 x + 8 y - 5 z =
2
y =
-3 x + 12 y + 2 z =
27
z =
Reset
Print