Please help I can't seem to get this ?

Question

fill in the chart given this linear equation: x+7y=4

example : x = y

-2 =

-1=

0=

1=

2=

Answer 1

you plug in the number on the left for x

EX: instead of x+7y=4

(-2)+7y=4

then you simplify to 7y=6

and: y= 6/7

Then you repeat.

x+7y=4

(-1)+7y=4

(-1)+7y+1=4+1

7y=5

7y/7=5/7

y=5/7

example : x = y

-2 = 6/7

-1= 5/7

0=

1=

2=

Hope that'll be enough...i dont know how to explain it any deeper.

Answer 2

first isolate Y:

1)  7y=4-x

2) y=(4-x)/7

now replace X with the numbers below...

for example the first one would be:

y=(4- -2)/7

which simplified would be

y=(4+2)/7

y=6/7

therefore -2=6/7 of if you must use decimals just devide 6 by 7 to get 0.85714285714285714285714285714286