angie249
08.12.2020 •
Mathematics
How do you solve the problem of -3x-8+6x=7?
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Ответ:
x = 5
Step-by-step explanation:
-3x-8+6x = 7
You can separate the unlike terms by bringing -8 to the right side of the equation first. (-8) will turn into (+8) when it shifts over.
-3x+6x = 7+8
Calculate like terms.
3x = 15
Find x.
x = 15 ÷ 3
= 5
Ответ:
It can't be expressed in that form
Step-by-step explanation:
From difference of two squares:
a » 9
b » 2i
but i² is -1 [ complex numbers ]