Question

what should be subtraction from -1 to get 7 by 9​

Answer 1

Answer:

-16/9

Step-by-step explanation:

let us assume that number as X

according to the question

-1 -(x) =7/9

by transposing

-1 = 7/9 + X

by transposing 7/9 again ....

X = -1 -7/9

therefore we get , -9-7 /9 = -16/9

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