Question

-10 is equal to 5 subtracted from a number

Answer 1

-10 is equal to 5 subtracted from a number

Assume that the number is x

So the equation will be

$-10=x-5$

we put x at first because in subtraction the number after the word "from" comes first

Now let us find x

We need to move 5 to the left side to find x, so add 5 to both sides

$\begin{gathered} -10+5=x-5+5 \\ -5=x \end{gathered}$

The number is