3 years ago

Select the equation(s), where 9 is a solution.

Mathematics

1 answer:

seraphim [82]3 years ago

7 0

Answer:

a and b

Step-by-step explanation:

9+3x=36

3x=27

x=9

57=6x+3

54=6x

9=x

4x+3=43

4x=40

x=10

4x=49

x=12.25

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