Math, asked by dayanandn2005, 7 months ago

solve the equation by trial and error method
+ 2 - 21

Answers

Answered by Vaish2934

2

Answer:

The ans to this que is - 19

Answered by 0976543322s

1

Answer:

answer is -19

Step-by-step explanation:

+ - = -

- - = +

-21+2= -19

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