The farmer has 17 hens.
<h3>What is a linear equation in two variables ?</h3>
An equation is linear if has highest degree of 1 and it has two variables.Generally they are in x and y.
For example -: 2x + 3y = 10
According to the given question a farmer has some hens and goats. He counts a total of 60 eyes and 86 feet between them.
Let us denote Hens by H and Goats by G.
We know both of them has 2 eyes each and we also know that a Hen has 2 legs and a Goat has 4 legs.
There fore the given data we can form two equations.
2H + 2G = 60 and 2H + 4G = 86.
Solving these two equations we have G = 13 and H = 17.
learn more more about linear equation in two variables here :
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The answers are a=4 and b=-2
The 5 negatives simplify to one negative giving
-10x = -5
x = 0.5
There are lots of possibilities...
888888 and 889888
111111 and 112111
111111 and 113111
111111 and 114111
111111 and 115111
121212 and 123212
236423 and 237423
And there are lots more...
If you want more, just ask
