ansbert289
07.12.2020 •
Mathematics
can anyone help me on this I hate these
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Ответ:
y = 10
Step-by-step explanation:
The second equation is already solved for x:
x = y - 3
Substitute x in the first equation with y - 3 and solve for y.
4y - 9x = -23
4y - 9(y - 3) = -23
4y - 9y + 27 = -23
-5y = -50
y = 10
Ответ: