Question

-3x-9=2x Равно 1.8?Или как

Answer 1

-3x-9=2x

-3х-2х=9

-5х=9

х=-1,8

ответ: -1,8

Answer 2

- 3х - 9 = 2х
- 3х - 2х = 9
- 5х = 9
х = 9 ÷ ( - 5 )
х = - 9/5
х = - 1,8.

Ответ: х = - 1,8.

Answer 3

To solve the equation -3x - 9 = 2x and find the value of x, we need to isolate x on one side of the equation. Here's the step-by-step solution:

Step 1: Combine like terms Add 3x to both sides of the equation to eliminate -3x from the left side:

-3x - 9 + 3x = 2x + 3x -9 = 5x

Step 2: Isolate x Now, we want to find the value of x, so we need to get rid of the constant term (-9) on the left side. To do that, we'll divide both sides of the equation by 5:

-9 / 5 = 5x / 5 -1.8 = x

So, the solution to the equation is x = -1.8.