Answer:
x= 50
Step-by-step explanation:
Add up the other two numbers, 15 and 25, which will get you 40. subtract 40 from 90 and you have 50.
-42 ≤ x ≤ 102
Compound from the fact that we're combining x≤42 and x≤102.
Equations 2 and 3 are correct
either G y or J y
3 4 5
2 3 2
3 2 1
it has 3×3 order
