Question

answer these questions pleas3​

Answer 1

Answer:

5.a. A/Q: x+12=28

x = 28-12

x = 16

b. A/Q: 11-x=5

x=11-5

x=6

c. A/Q: 7x=77

x=77÷7

x=11

d. A/Q: x÷3=27

x=27×3

x=81

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Answer 2

Answer:

a) 16 is the number .

b) 6 is the number .

c) 11 is the number.

d) 81 is the number.

Step-by-step explanation:

a) let x be the number

therefore x+12 = 28

x = 28-12

x = 16

16 is the number .

b) let x be the number

therefore 11-x = 5

-x = 5-11

-x = -6

x = 6

6 is the number .

c) let x be the number

therefore x*7 = 77

x = 77/7

x = 11

11 is the number .

d) let x be the number

therefore x÷3 = 27

x = 27*3

x = 81

81 is the number .