tami490
18.03.2020 •
Mathematics
Y+5=9/2(x+7) in standard form
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Ответ:
2x-y=-1
Step-by-step explanation:
y + 9 = 2(x + 5)
y + 9 = 2x + 10 [distribute]
y = 2x + 1 [subtract 9 from both sides]
y - 2x = 1 [subtract 2x from both sides]
-2x + y = 1 [put x first]
2x - y = -1 [multiply by -1 to make x coefficient positive]
Ответ:
the answer is b
Step-by-step explanation:
because of the process by elimination