So you have
25x+10y=24
and
x+y=20
you can eith er subsitue or add
let's add
mutliply x+y=10 by -10
-10x-10y=-200
add to first equation
25x+10y=24
<u>-10x-10y=-200 +
</u>15x+0y=-176
15x=-176
divide both sides by 15
x=-176/15
subsitue
x+y=20
-176/15+y=20
add -176/15 to both sides
y=476/15
solution
(x,y)
(
![\frac{-176}{15}](https://tex.z-dn.net/?f=%20%5Cfrac%7B-176%7D%7B15%7D%20)
,
![\frac{476}{15}](https://tex.z-dn.net/?f=%20%5Cfrac%7B476%7D%7B15%7D%20)
<u />
The two numbers are -60 and 50.
Check-
Step-by-step explanation:
We have 8y + 5 <= 37.
Therefore 8y <= 32 (subtract 5 both sides)
y <= 4 (divide 8 both sides)
That angle would be 120 deg if measured counterclockwise from the positive x-axis.