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4 years ago

How do I solve this problem 7x<14 and 1-x<4

Mathematics

2 answers:

Yanka [14]4 years ago

4 0

X<2 and x>-3 => x∈(-oo, 2) and x ∈(-3,+oo )=> x∈(-3, 2).

Andrej [43]4 years ago

4 0

7x < 14

x < 14/7

x < 2

x ∈ (-oo ; 2)

1 - x < 4

1 - 4 < x

- 3 < x

x > - 3

x ∈ (- 3 ; + oo)

_____(.__.__.__.__.__.)____

-oo - 3 0 2

x ∈ (- 3 ; 2 )

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