Question

find the value of 3(m+7) =21

Answer 1

Step-by-step explanation:

= 3(7m) = 21

3×7m=21

then, shift 3 to right hand side

7m= 21÷3

7m= 7

here again 7 shift to right hand side

m= 7÷7

therefore,m= 1

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Answer 2

Answer:

m = 0

Step-by-step explanation:

3(m+7) = 21

3m + 21 = 21

3m = 21 - 21 = 0

m = 0/3

m = 0