3 years ago

If the point (a, 7) lies on the graph of the equation 5x - y = 8, then a= -3 3 1/5

Mathematics

1 answer:

goblinko [34]3 years ago

8 0

(a,7) => x=a, y=7

5x-y=8
5a-7=8
5a=15
a=3

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