Question

what number should be subtracted from minus 3 by 4 to get minus one by two​

Answer 1

Let the required no. be x .

Then according to question,

-3/4 -x= -1/2

=》-3/4=-1/2 +x

=》-3/4 ×2=-1 +x

=》-3/2= -1 +x

=》-3/2 +1= x

=》(-3+2)/2 =x

=》-1/2=x

Hence the required no. is -1/2

Answer 2

Answer: x = -1/4

Explanation: sol,

let the number to be subtracted be x

or,-3/4 - x = -1/2

or,-x = -1/2 + 3/4

or,-x = (-2 + 3)/4

or,-x = 1/4

therefore, x = -1/4

hence, the required number to be subtracted is -1/4

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