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Volgvan
3 years ago
11

What does 30 ≤ x + 10 ≤ 80 simplify to

Mathematics
1 answer:
MakcuM [25]3 years ago
4 0

Answer:

20 ≤ x ≤  70

Step-by-step explanation:

Given that:

30 ≤ x + 10 ≤ 80

By solving the left half inequality first:

30 ≤ x + 10

Subtracting 10 from both sides:

30 - 10  ≤ x + 10 -10

20  ≤ x

Now solving inequality of right half:

x + 10 ≤ 80

Subtracting 10 from both sides:

x + 10 -10 ≤ 80 - 10

x ≤  70

So after simplification we get:

20 ≤ x ≤  70

I hope it will help you!

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