Question

4x-7=x+6 5x-(4-x)=13 8.9x+5.4x=5.4x+2.84

Answer 1

Ответ:

1)х=4,3 2)х=2 5/6 3)х=?

Answer 2

Ответ:

4х-7=х+6

3х=13

Х=13/3

5х-(4-х)=13

6х=17

Х=17/6

8,9х+5,4х=5,4х+2,84

8,9х=2,84

Х=142/445

Пошаговое объяснение:

Вроде бы ответы такие

Answer 3

Let's solve each equation step by step:

1. 4x - 7 = x + 6

To solve for x, we need to isolate x on one side of the equation. First, let's get rid of the x term on the right side by subtracting x from both sides:

4x - x - 7 = x - x + 6

Simplifying:

3x - 7 = 6

Next, let's isolate x by adding 7 to both sides:

3x - 7 + 7 = 6 + 7

Simplifying:

3x = 13

Finally, divide both sides by 3 to find the value of x:

x = 13 / 3 x ≈ 4.33

2. 5x - (4 - x) = 13

Let's simplify the expression inside the parentheses first:

5x - (4 - x) = 13 5x - 4 + x = 13 6x - 4 = 13

Next, let's isolate x by adding 4 to both sides:

6x - 4 + 4 = 13 + 4

Simplifying:

6x = 17

Finally, divide both sides by 6 to find the value of x:

x = 17 / 6 x ≈ 2.83

3. 8.9x + 5.4x = 5.4x + 2.84

Let's simplify the equation by combining like terms on both sides:

8.9x + 5.4x - 5.4x = 5.4x - 5.4x + 2.84

Simplifying:

8.9x = 2.84

Finally, divide both sides by 8.9 to find the value of x:

x = 2.84 / 8.9 x ≈ 0.3198

So, the solutions for the given equations are:

1. x ≈ 4.33
2. x ≈ 2.83
3. x ≈ 0.3198