Question

Slove by the substittion method
4x5y=-4
7x+y=46

Answer 1

4x5y = 20xy = 4
xy = 4/40
= 1/10
x = 1/10 / y
= 1/10y

Answer 2

You should be able to solve it now.

Answer 3

pratu it is -4

Answer 4

sorry, then its -1/10y

Answer 5

y is in the denominator.

Answer 6

check your first equation @ asker.
is it -ve or +ve?

Answer 7

\[y = \frac{-1}{5x}\]

Answer 8

i feel first equation should be 4x(+ or, -) 5y = -4

Answer 9

plz cross check

Answer 10

I also have 1/10

Answer 11

-6 ,4 was the answer