Question

3x<x+40,5x<1,4-0,2x​

Answer 1

Ответ:

1)х<2

2)x<2

Объяснение:

1)3x-x<4

2x<4

x<2

2)0,5x+0,2x<1,4

0,7x<1,4

x<2

Answer 2

Let's solve the inequalities step by step:

1. 3x < x + 40

To solve this inequality, we need to isolate x on one side of the inequality sign.

Subtract x from both sides: 3x - x < x + 40 - x

Simplify: 2x < 40

Now, divide both sides by 2 to solve for x: x < 40/2 x < 20

So, the first inequality is x < 20.

2. 5x < 1.4 - 0.2x

Similar to the first inequality, we need to isolate x on one side of the inequality sign.

Add 0.2x to both sides: 5x + 0.2x < 1.4 - 0.2x + 0.2x

Simplify: 5.2x < 1.4

Now, divide both sides by 5.2 to solve for x: x < 1.4 / 5.2

x < 0.2692 (rounded to four decimal places)

So, the second inequality is x < 0.2692.

In summary, the solutions for the given inequalities are:

1. x < 20
2. x < 0.2692