Question

6-2x = 21 - 7x Хелп ми

Answer 1

6-2x = 21 – 7x
- 2x+7x = 21-6
5x = 15
X = 15:5
X =3

Answer 2

Объяснение:

6 - 2х = 21 - 7х

-2х + 7х = 21 - 6

5х = 15

х = 15 : 5

х = 3

Answer 3

To solve the equation 6 - 2x = 21 - 7x, we need to isolate the variable x on one side of the equation. Here's how you can do it step by step:

1. Start by simplifying both sides of the equation. Distribute the negative sign on the right side: 6 - 2x = 21 - 7x 6 - 2x = 21 + (-7x) 6 - 2x = 21 - 7x

2. Combine like terms on each side of the equation. In this case, we have -2x and -7x on the right side: 6 - 2x = 21 - 7x 6 - 2x = 21 - 7x

3. Move all terms containing x to one side of the equation. Let's move the terms with x to the left side by adding 7x to both sides: 6 - 2x + 7x = 21 - 7x + 7x 6 + 5x = 21

4. Combine the constants on the right side of the equation: 6 + 5x = 21

5. Move the constant term (6) to the right side by subtracting 6 from both sides: 6 + 5x - 6 = 21 - 6 5x = 15

6. Divide both sides of the equation by the coefficient of x (5) to solve for x: (5x)/5 = 15/5 x = 3

So, the solution to the equation 6 - 2x = 21 - 7x is x = 3.