Math, asked by kamnas1984, 10 months ago

3a - 15 = 21 please answer my question

Answers

Answered by hardworking10

1

Step-by-step explanation:

taking common from equation 3( a-5) = 21

now a-5=21/3

so a- 5 = 7

therefore a= 7+5= 12.....

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Answered by udhav5017

1

3a-15=21

3a. =21+15

3a. =36

a=36÷3

a=12

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