Question

(2у-2,75):0,05-6,43:0,2=1,55​

Answer 1

Ответ:

y=2,2175

Пошаговое объяснение:

(2y-11/4)/(1/20)-(643/100)/(1/5)=1,55

(2y-11/4)*20-(643/100)*5=1,55

40y-55-643/20=1,55

40y-1743/20=1,55

40y=1,55+1743/20

40y=887/10

y=887/400=2,2175

Answer 2

Пошаговое объяснение:

(2y - 2,75) + 0,05 - 6,43 - 0,2 = 1,55

(2y-11/4):1/20-643/100:1/5=1, 55 (преобразуем выражение)

(2у-11/4) *20-643/100*5=1, 55 (умножаем на обратное значение)

40y-55-643/20=1, 55 (сокращаем и раскрываем скобки)

40у-1723/20=1, 55

40у= 1723/20+1, 55

40y=31/20+1723/20

40y=887/20

Y=2, 217

(Вроде бы так)

Answer 3

It looks like you've provided an equation to solve:

$\frac{2u - 2.75}{0.05} - \frac{6.43}{0.2} = 1.55$

Let's solve this step by step:

1. First, solve the fractions on the left side of the equation: $\frac{2u - 2.75}{0.05} = 40u - 55$ $\frac{6.43}{0.2} = 32.15$

2. Substitute the results back into the equation: $40u - 55 - 32.15 = 1.55$

3. Combine the constants on the left side: $40u - 87.15 = 1.55$

4. Add 87.15 to both sides to isolate $40u$: $40u = 88.7$

5. Divide both sides by 40 to solve for $u$: $u = \frac{88.7}{40}$ $u = 2.2175$

So, the solution to the equation is $u \approx 2.2175$.