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What is x 7x + 9 = 30

Sagot :

ouraddi
7x = 30 - 9
7x = 21
21 divided by 7 = 3
x = 3
Melody08

Answer:

x=3

Step-by-step explanation:

7x+9=30

   7x=30-9

       =21

     x=21÷7

       =3

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