Math, asked by namam92, 8 months ago

3(x-1)+7=21 find the value of x

Answers

Answered by shiuli812249

2

Step-by-step explanation:

3(x-1)+7=21

3x-3+7=21

3x+4=21

3x=21-4

3x=27

x=27/3

x=9

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