Question

3)17x(16-5X)=23,85)(X-7,3)x3,2=12,13

Answer 1

272-85х=23,8
-85х=23,8-272
-85х=-248,2
х=2,92

3,2х-23,36=12,13
3,5х=35,49
х=10,14

Answer 2

To solve the equation:

1. 17x(16-5X) = 23,85
2. (X-7,3)x3,2 = 12,13

Let's solve them one by one:

1. 17x(16-5X) = 23.85

First, distribute the 17:

17 * 16 - 17 * 5X = 23.85

272 - 85X = 23.85

Subtract 272 from both sides:

-85X = 23.85 - 272

-85X = -248.15

Divide by -85:

X = (-248.15) / (-85)

X ≈ 2.92

So the solution to the first equation is X ≈ 2.92.

2. (X-7.3)x3.2 = 12.13

Multiply both sides by 1/3.2 to isolate (X - 7.3):

X - 7.3 = 12.13 / 3.2

X - 7.3 ≈ 3.791875

Add 7.3 to both sides:

X ≈ 3.791875 + 7.3

X ≈ 11.091875

So the solution to the second equation is X ≈ 11.091875.

Therefore, the solutions to the given equations are approximately X ≈ 2.92 and X ≈ 11.091875.