Question

Multiply X by 3 and subtract 3 from it, if the result is 9, what is the value of X
a)3
b)4
c)5
d)6

Answer 1

Answer:

3x-3=9

3x=9+3

3x=12

x=12/3

x=4

Step-by-step explanation:

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Answer 2

Answer:

b)4

Step-by-step explanation:

Multiply x and 3 = 3x

Subtract 3 from it  = 3x - 3

Result is 9 → 3x - 3 = 9

As you can see in 3x and 3 , 3 is common

3(x-1) = 3(3)

x - 1 = 3

x = 3 + 1

x = 4