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03-07-2021
Mathematics

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Please help me out with these questions :

Please help me out with these questions class=

Respuesta :

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03-07-2021

Answer:

Step-by-step explanation:

1. 3/7 x = 12

3x = 84

x = 28

2. 3x+ 6 = 39

3x = 33

x = 11

3. 1/3 x - 3/4 x = 15

9x - 4x = 180

x = 36

4. 1/4 x = x -21

3/4 x = 21

3x = 84

x=28

5. 86-36 = 50

50/2

25

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