matluck4162
10.01.2021 •
Mathematics
Solve the system of linear equations by elimination.
9x+y=2
−4x−y=−17
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Ответ:
x = -3 y = 29
Step-by-step explanation:
9x + y = 2
-4x - y = -17
5x = -15
Divide both sides by 5
x = -3
9x + y = 2
Substitute -3 for x
9 (-3) + y = 2
-27 + y = 2
Add 27 to both sides
y = 29
Hope I helped!
Ответ: