X + y = 30
3x = 2y
y = 30 - x
3x = 2(30 - x)
3x = 60 - 2x
5x = 60
x = 12
12 + 18 = 30
When looking at it, you can see that the location of the 9 and 12 are the same. So, you can solve by first finding the difference in the two. Turns out 12 is 4/3 times bigger than 9. So, divide each of your sides to figure out what each side is.
X = 17.25
Y = 18
Z = 17.25
Hope this helps :)
Slope-intercept form is y = mx + b, so your answer would be:
y = -5x + 8
X < 10
Step-by-step explanation:
