noahbeckett2 noahbeckett2
  • 23-06-2017
  • Mathematics
contestada

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

Respuesta :

Banabanana
Banabanana Banabanana
  • 23-06-2017
5x - y = 8

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

a=x=3

Answer: a=3
Answer Link
Allysia123
Allysia123 Allysia123
  • 23-06-2017
(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
Answer Link

Otras preguntas

What is 4.12 as the quotient of the 2 integers in simplest form? ?/?
I MET a traveller from an antique land Who said: Two vast and trunkless legs of stone Stand in the desert ... Near them, on the sand, Half sunk, a shattered vis
if a ball rotates 110 degrees in 8 seconds how many degrees does it rotate in 32 seconds
PLEASE HELP I GIVE THANKS
Are 3/8 and 3/4 equivalent fractions?Draw a number line to show your answer.
Which sentence is written correctly? A. Why haven't we owned no pet larger than a rabbit? B. Why have we never owned a pet larger than a rabbit? C. Why haven't
Witch 2 Continents have the most obvious fit of the coastlines
solve simultaneous equation 2x + 4y = 1 3x-5y=7
what is the average of 0.76 and 0.88
Carl Woese's work separated prokaryotes into two groups, originally called Eubacteria and?