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5 votes
HURRY! PLEASE HELP!!! 3 times a number plus 5 is at least -10 and less than 26

2 Answers

6 votes

Answer:

[⁵/3,7[

Explanation:

10 ≤ 3x + 5 < 26

10-5 ≤ 3x < 26-5

⁵/3 ≤ X <7

[ 5/3 , 7 [

User Cregox
by
5.3k points
3 votes

Answer:

-5<x<7.

Explanation:

let the number be represented by 'x'

3x + 5 > -10 < 26

-10<3x+5<26

-10 < 3x +5

-10 -5 < 3x

-15< 3x

-15÷3 < x

-5 < x

and

3x+5 < 26

3x<26-5

3x < 21

x < 21÷3

x< 7

answer is -5<x<7

User Mtyson
by
5.3k points