Answer:
-3
Step-by-step explanation:
x - 4 = - 7
Carry over the - 4 and make x the subject.
x= - 7 + 4
x= - 3
Therefore x is - 3
<span> x = 2.6915. is the answer to that question
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We can write it down as a fraction:

and we can simplify this fraction:
=

=

=

or we can write it as a decimal:
0.1282...