greysonelmore1212
01.08.2020 •
Mathematics
BRAINLIEST PLEASE HELP
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Ответ:
A. 2x + (-x + 2) = -1
Step-by-step explanation:
Well if we use x + y = 2 as the substitute we need to solve for y.
x + y = 2
-x to both sides
y = -x + 2
Substitute
2x + (-x + 2) = -1
Thus,
the answer is A. 2x + (-x + 2) = -1.
Hope this helps :)
Ответ:
2x + 12
Step-by-step explanation:
8x + 3(4-2x)
8x + 12 - 6x
-6x + 8x = 2x
2x + 12