Question

10 – 2(7 - х ) = 4(2х - 7)​

Answer 1

Ответ:

10-2(7-x)=4(2x-7)

10-14+2x=8x-28

-4+2x=8x-28

2x-8x=-28+4

-6x=-24

x=4

Answer 2

To solve the equation 10 - 2(7 - x) = 4(2x - 7), you'll need to simplify and isolate the variable x. Here's the step-by-step solution:

1. Start by applying the distributive property on both sides of the equation to remove the parentheses:

   10 - 2(7 - x) = 4(2x - 7)

   10 - 14 + 2x = 8x - 28

2. Combine like terms on each side of the equation:

   (10 - 14) + 2x = (8x - 28)

   -4 + 2x = 8x - 28

3. Now, let's isolate the variable x by moving the terms containing x to one side of the equation and the constants to the other side. Start by subtracting 2x from both sides:

   -4 + 2x - 2x = 8x - 2x - 28

   -4 = 6x - 28

4. Next, add 28 to both sides to get the terms with x on one side:

   -4 + 28 = 6x - 28 + 28

   24 = 6x

5. Finally, divide both sides by 6 to solve for x:

   24/6 = 6x/6

   4 = x

So, the solution to the equation is x = 4.