Question

11) (-20х – 50)*2= 10012) х – 32 = (х + 8)*(-7)​

Answer 1

Ответ:

$( - 20x - 50) \times 2 = 100 \\ - 40x - 100 = 100 \\ - 40x = 100 + 100 \\ - 40x = 200 \\ x = - 5$

$x - 32 = (x + 8) \times ( - 7) \\ x - 32 = - 7x - 56 \\ x + 7x = - 56 + 32 \\ 8x = - 24 \\ x = - 3$

Answer 2

Let's solve each equation step by step:

1. (-20x - 50) * 2 = 1001

First, distribute the 2 on the left side of the equation:

-40x - 100 = 1001

Now, add 100 to both sides of the equation to isolate the term with the variable:

-40x = 1001 + 100 -40x = 1101

Next, divide both sides by -40 to solve for x:

x = 1101 / -40 x = -27.525

So, the solution to the first equation is x ≈ -27.525.

2. x - 32 = (x + 8) * (-7)

First, distribute the -7 on the right side of the equation:

x - 32 = -7x - 56

Now, add 7x to both sides of the equation to isolate the variable terms:

x + 7x - 32 = -56

Combine like terms:

8x - 32 = -56

Next, add 32 to both sides of the equation:

8x - 32 + 32 = -56 + 32

Simplify:

8x = -24

Now, divide both sides by 8 to solve for x:

x = -24 / 8 x = -3

So, the solution to the second equation is x = -3.