3 years ago

-7 - x = 3

= 8" align="absmiddle" class="latex-formula">

Mathematics

1 answer:

yaroslaw [1]3 years ago

4 0

$-7-x= 3 \\ \\ -x= 3+7\quad \to -x= 10\to \boxed{x=10} \\ \\ \\ -7-x= 8 \\ \\ -x= 8+7\quad -x= 15\to \boxed{x= -15}$

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