yerranne
09.02.2021 •
Mathematics
Which of the following is the product of the rational expressions shown
below?
7x
X-4
X
X+7
A.
8x
2X +3
B.
X2
x + 3x - 28
x2
2 - 3x-4
D.
7x2
x2 + 3x-28
Solved
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Ответ:
x=15
Step-by-step explanation:
These are alternate exterior angles and alternate exterior angles are equal when the lines are parallel
6x+8 = 7x-7
Subtract 6x from each side
6x+8-6x = 7x-7-6x
8 = x-7
Add 7 to each side
8+7 =x
15=x