2x + 1 ≤ 7 and -2x + 1 ≤ 9
1 answer:
Answer:
Step-by-step explanation:
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Answer:
ion even know
Step-by-step explanation:
x : -2 , 0
y: 6, 4
×: -2
y: 2
2/-2
3420/9=380 He used 380 boxes in his first week.
The first one is 10ab + 20