What should be added to minus 2 upon 3 to get minus 1 upon 7?
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jaspreet51:
i think this is not right
yes
in the ques it is given -1/7 and all that but how u r taking (-1)^2
yeah this is wrong answer , you can see my answer below
I corrected it so see it again
its correct
yes this is correct one
Answered by
1
Answer:
11/21
Step-by-step explanation:
question:
What should be added to minus 2 upon 3 to get minus 1 upon 7
assumption:
let x be the value when added to (-2/3) gives (-1/7)
solution:
step 1
write down the equation
(-2/3) + x = -1/7
step 2
multiply both sides by 21
to remove the denominators in the equation
why 21?
because the denominators are 7 and 3 so (7×3 = 21)
step 3
write the equation by multiplying both sides with 21
21 ×(-2/3) + 21 × x = (-1/7) × 21
=> -14 + 21x = -3
=> 21x = 14 - 3
=> 21x = 11
=> x= 11/21
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