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Chapter 3: Q49. (page 151)

Which number is a solution of the inequality -7x+3<-7.5?

F. -3 G. -1 H. 1 I. 3

Short Answer

Expert verified

Correct option is I. 3

Step by step solution

01

Step-1- Solve the inequality

鈭�7x+3<鈭�7.5

Subtract 3 from both sides.

鈭�7x+3鈭�3<鈭�7.5鈭�3鈭�7x<鈭�10.5

Divide by -7.

x>鈭�10.5鈭�7x>1.5

02

Step-2- Check the given option

From the given option the only number which is greater than 1.5 is 3.

So, the correct option is I. 3.

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