Question

( 1 1/12+3,75)-(-х) =4,5​

Answer 1

Ответ:

Пошаговое объяснение:

( 1 1/12+3,75)-(-х) =4,5​

1 1\12+3 3\4+х=4.5

1 1\12+3 9\12+х=4.5

4 5\6+х=4.5

х=4.5-4 5\6

х=4 1\2-4 5\6

х=4 3\6-4 5\6

х=-1\3

Answer 2

Ответ:

-1/3

Пошаговое объяснение:

1 1/12=(12*1+1)/12=13/12

3,75=375/100=(5*5*15)/(5*5*4)=15/4=(15*3)/(4*3)=

=45/12

4,5=45/10=9/2=(9*6)/(2*6)=54/12

получаем

(13/12 + 45/12)+х=54/12

58/12+х=54/12

х=54/12-58/12=-4/12=-1/3

Answer 3

Let's solve the equation step by step.

(1 1/12 + 3.75) - (-x) = 4.5

First, we need to convert the mixed number 1 1/12 into an improper fraction:

1 1/12 = (12 * 1 + 1)/12 = 13/12

Now we can substitute the values back into the equation:

(13/12 + 3.75) - (-x) = 4.5

Next, we simplify the left side of the equation:

13/12 + 3.75 = 49/12 + 45/12 = 94/12 = 47/6

The equation becomes:

(47/6) - (-x) = 4.5

To eliminate the negative sign in front of (-x), we can rewrite it as positive x:

47/6 + x = 4.5

Now we can solve for x. To do this, we isolate x by subtracting 47/6 from both sides of the equation:

x = 4.5 - 47/6

To simplify the right side, we need to find a common denominator:

x = 27/6 - 47/6 = (27 - 47)/6 = -20/6 = -10/3

Therefore, the solution to the equation (1 1/12 + 3.75) - (-x) = 4.5 is x = -10/3.