EXERCISE 6 (A)
Solve the following pairs of linear (simultaneous) equations using method of elimination by
substitution:
1.
8x + 5y = 9
3x + 2y = 4
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X=-2 and y=5 hope this answer can help u
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Answered by
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Answer:
8x + 5y = 9...(1)
3x + 2y = 4...(2)
(2) y= 9-8x/5
3x + 2(9-8x/5)
15x + 18 - 16x = 20
x = -2
From (1), y= 9-8x/5 = 9-8(-2)/5 = 25/5
y=5
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