Question

3х-2(20-х)=5х-8(12-х)+20​

Answer 1

Ответ:

Пошаговое объяснение:

3х-40+2х=5х-96+8х+20.

8х=76-40.

8х=36.

х=36/8=4,5

Answer 2

Вроде так, приложение: Photomath

Answer 3

Let's solve the equation step by step:

3x - 2(20 - x) = 5x - 8(12 - x) + 20

First, let's simplify the expressions within the parentheses:

3x - 2(20 - x) = 5x - 8(12 - x) + 20 3x - 2(20) + 2x = 5x - 8(12) + 8x + 20

Now, simplify further:

3x - 40 + 2x = 5x - 96 + 8x + 20 5x - 40 = 5x - 96 + 8x + 20

Next, combine like terms on both sides:

5x - 40 = 5x - 96 + 8x + 20 5x - 5x - 8x = -96 + 20 + 40

Simplify again:

-8x = -36

Finally, divide both sides of the equation by -8 to solve for x:

-8x = -36 x = (-36) / (-8) x = 4.5

Therefore, the solution to the equation is x = 4.5.