Question

А) 2 (х-4) - (5-х) = 4 (х+2)      

Answer 1

2х-8 -5 +х= 4х +8

3х-13=4х+8

3х-4х=13+8

-х=21

х= -21

Answer 2

а) 2х-8-5+х-4х-8=0

-6х=21

х=3.5

б) 0,4+0,4-4/15=4

0,8-4/15-4=52/15

Answer 3

Let's simplify the left-hand side of the equation first by expanding the brackets:

2(x-4) - (5-x) = 2x - 8 - 5 + x

Combining like terms, we get:

2x - 8 - 5 + x = 3x - 13

Now let's simplify the right-hand side of the equation by expanding the brackets:

4(x+2) = 4x + 8

So the original equation becomes:

3x - 13 = 4x + 8

We can simplify this by subtracting 3x from both sides:

-13 = x + 8

Then by subtracting 8 from both sides, we get:

x = -21

Therefore, the solution to the equation is x = -21.