Question

5n+9n+32=200 (x+57):7=12 (161-y):16=9 112:(17+x)=4

Answer 1

Ответ:

Пошаговое объяснение:

5n+9n+32=200

14n=200-32

14n=168

n=168:14

N=12

(x+57):7=12

X+57=12*7

X+57=84

X=84-57

X=27

(161-y):16=9

161-у=16*9

161-у=144

У=161-144

У=17

112:(17+x)=4

17+х=112:4

17+х=28

Х=28-17

Х=11

Answer 2

Let's solve each equation step by step:

1. 5n + 9n + 32 = 200:

Combining like terms, we have: 14n + 32 = 200

Subtracting 32 from both sides: 14n = 200 - 32 14n = 168

Dividing both sides by 14: n = 168 / 14 n = 12

So the solution to this equation is n = 12.

2. (x + 57) / 7 = 12:

Multiplying both sides by 7: x + 57 = 12 * 7 x + 57 = 84

Subtracting 57 from both sides: x = 84 - 57 x = 27

The solution to this equation is x = 27.

3. (161 - y) / 16 = 9:

Multiplying both sides by 16: 161 - y = 9 * 16 161 - y = 144

Subtracting 161 from both sides: -y = 144 - 161 -y = -17

Multiplying both sides by -1 (to isolate y): y = -17 * -1 y = 17

The solution to this equation is y = 17.

4. 112 / (17 + x) = 4:

Multiplying both sides by (17 + x): 112 = 4 * (17 + x) 112 = 68 + 4x

Subtracting 68 from both sides: 112 - 68 = 4x 44 = 4x

Dividing both sides by 4: x = 44 / 4 x = 11

The solution to this equation is x = 11.

So, the solutions to the given equations are: n = 12 x = 27 y = 17 x = 11