Question

1) 3|x| = 12:2) 5|-x| =3;быстро дам 10​

Answer 1

Ответ:

3•х = 12

х=12:3

х=4

вроде так

Answer 2

Ответ:

Пошаговое объяснение:

3(х)=12

х=12:3

х=4

5(-х)=3

-х=$\frac{3}{5}$

х= - $\frac{3}{5}$

Answer 3

1. To solve the equation 3|x| = 12, we can divide both sides of the equation by 3 to isolate the absolute value term:

|x| = 12/3

Simplifying the right side:

|x| = 4

The absolute value of a number can be either positive or negative, so we need to consider both cases:

Case 1: x is positive: If x is positive, then |x| = x. So we have:

x = 4

Case 2: x is negative: If x is negative, then |x| = -x. So we have:

-x = 4

Multiplying both sides by -1:

x = -4

Therefore, the equation 3|x| = 12 has two solutions: x = 4 and x = -4.

2. To solve the equation 5|-x| = 3, we can follow a similar process:

|-x| = 3/5

Simplifying the right side:

|-x| = 0.6

Again, considering both cases for the absolute value:

Case 1: -x is positive: If -x is positive, then |-x| = -(-x) = x. So we have:

x = 0.6

Case 2: -x is negative: If -x is negative, then |-x| = -1 * (-x) = -x. So we have:

-x = 0.6

Multiplying both sides by -1:

x = -0.6

Therefore, the equation 5|-x| = 3 has two solutions: x = 0.6 and x = -0.6.

I hope this helps! Let me know if you have any further questions.