Question

3 9/4 + (8-a) = 6 5/9

Answer 1

Ответ:

5/8 ответ

Пошаговое объяснение:

5/8:))))я сам решил

Answer 2

Вот ответ.
объяснения: открываем скобки 39/4 прибавляем 8 выходит 79/4 и это минусуем с 65/9

Answer 3

To solve the equation 3 9/4 + (8 - a) = 6 5/9, we need to simplify the expressions on both sides and then solve for the variable "a".

Let's start by simplifying the fractions:

3 9/4 is equivalent to (3 * 4 + 9) / 4 = (12 + 9) / 4 = 21/4.

Similarly, 6 5/9 is equivalent to (6 * 9 + 5) / 9 = (54 + 5) / 9 = 59/9.

Now our equation becomes:

21/4 + (8 - a) = 59/9

Next, let's simplify the expression (8 - a):

(21/4) + (8 - a) = 59/9

To simplify further, we need to find a common denominator for the fractions 21/4 and 59/9, which is 36. We can convert both fractions to have a denominator of 36:

(21/4) * (9/9) = 189/36

(59/9) * (4/4) = 236/36

Now our equation becomes:

189/36 + (8 - a) = 236/36

Combining the fractions on the left side:

(189 + (8 - a)) / 36 = 236/36

Next, let's simplify the expression inside the parentheses:

(189 + 8 - a) / 36 = 236/36

197 - a / 36 = 236/36

To isolate "a," we can subtract 197 from both sides:

197 - a / 36 - 197 = 236/36 - 197

-a / 36 = (236 - 36 * 197) / 36

-a / 36 = (-6944) / 36

Now, we can multiply both sides by -36 to eliminate the fraction:

(-a / 36) * (-36) = (-6944 / 36) * (-36)

a = 6944

Therefore, the solution to the equation is a = 6944.