Graphical Solution
Solve, graphically:
(i) 2x - 3y = 7
5x + y = 9
give answer using graphs
Answers
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Answer:
2x-3(1) =7
2x-3=7
2x=7+3
2x=10
x=5
2x-3y=7
2x-3(3) =7
2x-9=7
2x=7+9
2x=16
x=8
5x+y=9
5x+4=9
5x=9-4
5x=5
x=1
5x+y =9
5x+(-1) =9
5x-1=9
5x=9+1
5x=10
x=2
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