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

asked Mar 1, 2018 10.4k views

4 votes

by Kgibm

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6 votes

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

5x-y=8
By substituting the value of y
5x-7 =8
5x=15
x= 3

As x = a=3
So, a =3

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1 vote

5x - y = 8

5x - 7 = 8
5x = 8+7
5x = 15
x = 3

a=x=3

Answer: a=3

Waddah answered Mar 6, 2018

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