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

-3
3
1/5

User Tropicalfish
by
8.3k points

2 Answers

1 vote

Answer:

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

5x-y=8

5a-7=8

5a=15

a=3

Explanation:

User Rlotun
by
8.0k points
0 votes
(a,7) => x=a, y=7

5x-y=8
5a-7=8
5a=15
a=3
User Boris Belenski
by
7.8k points
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