Question

solve the equation by ap method
-4+(-1)+2+......+x=437

Answer 1

Sn=a+(n-1)*d here d=3
437=-4+(x-1)*3
437=-4+3x-3
437=3x-7
3x=437+7
3x=444
X=148
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Answer 2

X cannot be -53 so x=50.


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