Solving using the addition and multiplication principles.

7 + 7x < 14

The solution set is {x│x _ _}.

**Solution:-**

Add -7 both sides

7 – 7 + 7x < 14 – 7

7x < 7

Multiply both sides by

7x* < 7*

X < 1

The solution set is {x|x < 1}

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# Problem 457

learn maths and leave the fear of it

Solving using the addition and multiplication principles.

7 + 7x < 14

The solution set is {x│x _ _}.

**Solution:-**

Add -7 both sides

7 – 7 + 7x < 14 – 7

7x < 7

Multiply both sides by

7x* < 7*

X < 1

The solution set is {x|x < 1}