Math, asked by venkatkatike09, 6 months ago

the value of x in this expression 7(x-1) =21​

Answers

Answered by AravindhPrabu2005
13

Solution

\implies{\rm}7(x-1) = 21

\implies{\rm}7 x-7=21

\implies{\rm}7x = 21 + 7

\implies{\rm}7x = 28

\implies{\rm}x =  \frac{28}{7}

Hope it helps you...

Answered by shrirajshende2005
1

Answer:

x=4

Step-by-step explanation:

7(x-1)=21

7x-7=21

7x=21+7

x=28/7

x=4

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