tori6886
21.01.2021 •
Mathematics
The Problem
which coordinate is a solution to the equation: 7x + 4y = 9?
a (4, -2)
b. (-33)
c. (3-3)
d. (-4,2)
Solved
Show answers
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Ответ:
C. (3,-3)
Step-by-step explanation:
7 ( 4) + 4 (-2) = 9 false
7 ( -3) + 4 (3) = 9 false
7 ( 3) + 4 ( -3) = 9 true
7 ( -4) + 4 ( 2) = 9 false
Ответ:
idk
Step-by-step explanation: