bernadetteindre6650
02.09.2019 •
Mathematics
Simplify this expression: 13 + (–12) – (–5) = ?
a. –6
b. 30
c. 6
d. –30
Solved
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Ответ:
*+5 because 2 negatives make a positive
Ответ:
D. There are infinitely many solutions since -5=-5 is a true statement.
Step-by-step explanation:
7x-5+5x=15x-7-3x+2.
12x-5=12x-5
-5=-5
This is always true so there are infinite solutions