Question

90/x=5 y/24=6 a/6=27 480/c=8 80×4=t+205 640÷(13-d)-78=82 90×b=324+18×2 50×x+28=400-72

Answer 1

Ответ:

Пошаговое объяснение:

90/x=5

x = 90:5

x = 18

y/24=6

y = 6*24

y = 144

a/6=27

a = 27*6

a = 162

480/c=8

c = 480:8

c = 60

80×4=t+205

320 = t + 205

t = 320-205

t = 115

640÷(13-d)-78=82

640:(13-d)=82+78

640:(13-d)=160

13-d=640:160

13-d=4

d = 13-4

d=9

90×b=324+18×2

90b = 360

b = 360:90

b = 4

50×x+28=400-72

50x + 28 = 328

50x = 328 - 28

50x = 300

x = 300 : 50

x = 6

Answer 2

To solve each equation, we'll isolate the variable on one side of the equation. Let's go through each equation step by step:

1. 90/x = 5 To solve for x, multiply both sides by x: 90 = 5x Now, divide both sides by 5 to get the value of x: x = 90/5 x = 18

2. y/24 = 6 To solve for y, multiply both sides by 24: y = 6 * 24 y = 144

3. a/6 = 27 To solve for a, multiply both sides by 6: a = 27 * 6 a = 162

4. 480/c = 8 To solve for c, multiply both sides by c: 480 = 8c Now, divide both sides by 8 to get the value of c: c = 480/8 c = 60

5. 80 × 4 = t + 205 To solve for t, first, perform the multiplication on the left side of the equation: 320 = t + 205 Next, isolate t by subtracting 205 from both sides: t = 320 - 205 t = 115

6. 640 ÷ (13 - d) - 78 = 82 First, simplify the left side by performing the division: 640 / (13 - d) = 82 + 78 640 / (13 - d) = 160 Now, to get rid of the denominator, multiply both sides by (13 - d): 640 = 160(13 - d) Now, divide both sides by 160: 4 = 13 - d Now, isolate d by subtracting 4 from both sides: d = 13 - 4 d = 9

7. 90 × b = 324 + 18 × 2 First, perform the multiplication on the right side: 90b = 324 + 36 Next, isolate b by subtracting 324 from both sides: 90b = 360 Now, divide both sides by 90 to get the value of b: b = 360/90 b = 4

8. 50 × x + 28 = 400 - 72 First, perform the multiplication on the left side: 50x + 28 = 328 Next, isolate x by subtracting 28 from both sides: 50x = 328 - 28 50x = 300 Now, divide both sides by 50 to get the value of x: x = 300/50 x = 6

So, the solutions to the given equations are: x = 18 y = 144 a = 162 c = 60 t = 115 d = 9 b = 4 x = 6