kelsey4698
25.09.2020 •
Mathematics
(2ab-a)+(-2ab+a)
help please
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Ответ:
0
Step-by-step explanation:
(2ab-2ab)+(-a+a)=0
Ответ:
let's evaluate the left-hand-side then
notice, the left-hand-side turned out to be exactly the same expression as the right-hand-side, that simply means, both expressions are equal
for a system of equations, that simply means infinitely many solutions, or in short notational terms , so, "c" can be any real number except 0 or 3, because if it ever becomes 0 or 3, notice, some denominators go poof and the fraction becomes undefined.