Question

9 – (х + 3 9/12) = 4 10/12​

Answer 1

Ответ:

12 - 4(х - 3) = 39 - 9х

12 - 4 * х - 4 * (-3) = 39 - 9х

12 - 4х + 12 = 39 - 9х

24 - 4х = 39 - 9х

- 4х + 9х = 39 - 24

5х = 15

х = 15/5

х = 3

Пошаговое объяснение:

Answer 2

Відповідь:

х=3

Покрокове пояснення:

12 - 4(х - 3) = 39 - 9х

12 - 4 * х - 4 * (-3) = 39 - 9х

12 - 4х + 12 = 39 - 9х

24 - 4х = 39 - 9х

- 4х + 9х = 39 - 24

5х = 15

х = 15/5

х = 3

Answer 3

To solve the equation 9 - (x + 3 9/12) = 4 10/12, you'll first want to simplify the expressions on both sides of the equation.

First, simplify the right side:

4 10/12 can be further simplified to 4 5/6 because 10/12 reduces to 5/6 (by dividing both the numerator and denominator by 2).

So the equation becomes:

9 - (x + 3 9/12) = 4 5/6

Now, to isolate the variable x, you need to remove the parentheses. To do this, distribute the negative sign inside the parentheses:

9 - x - 3 9/12 = 4 5/6

Next, subtract 3 9/12 from 9:

9 - 3 9/12 = 4 5/6

To subtract mixed numbers, you should find a common denominator. In this case, the common denominator is 12. So:

9 = 108/12 3 9/12 = 3 + 9/12 = 3 3/4 = 39/12

Now the equation becomes:

108/12 - x - 39/12 = 4 5/6

Now, combine like terms on the left side of the equation:

(108/12 - 39/12) - x = 4 5/6

(69/12) - x = 4 5/6

Now, subtract 4 5/6 from 69/12:

(69/12 - 4 5/6) - x = 0

To subtract mixed numbers, find a common denominator of 12:

69/12 - 4 5/6 = (69/12) - (30/6 + 5/6) = (69/12) - (35/6) = (69/12) - (70/12)

Now, subtract:

(69/12 - 70/12) - x = 0

-1/12 - x = 0

To isolate x, add 1/12 to both sides of the equation:

-1/12 - x + 1/12 = 0 + 1/12

• x = 1/12

Now, to solve for x, multiply both sides by -1 to get:

x = -1/12

So, the solution to the equation is x = -1/12.