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Question
Solve the given simultaneous equations graphically x + y = 5 and y = 5
Graph
Solution
The given simultaneous equations are
x + y = 5
y = 5
| x | 0 | 2 | 4 |
| y | 5 | 3 | 1 |
| (x, y) | (0, 5) | (2, 3) | (4, 1) |
0 + y = 5
y = 5
2 + y = 5
y = 5 - 2
y = 3
4 + y = 5
y = 5 - 4
y = 1
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