Question

what shouldbe subtracted from the twice the number of -9/2 to get 7/8

Answer 1

Step-by-step explanation:

Let the number be. x .

Given:

-9/2 - 2x == 7/8 ( because twice of the number)

==> -2x = 7/8 + 9/2

==> -2x = 5.375

==> x = 5.375/2

==> x = 2.6875........

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Answer 2

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Let the number be x

Now,

A.C.Q

$\sf{(2x)-(\frac{-9}{2})=>\frac{7}{8}}$

$\sf{2x=\frac{-9}{2}-\frac{7}{8}}$

BY LCM=>8

$\sf{2x=>\frac{-36}{8}-\frac{7}{8}}$

$\sf{2x=>\frac{-29}{8}}$

$\sf{x=>\frac{-29}{8}×\frac{1}{2}}$

$\sf{x=>\frac{-29}{16}}$