Bladen6579
18.03.2021 •
Mathematics
Solve systems of equations for y and x:
−9x + 4y = 6
9x + 5y = −33
Solved
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Ответ:
Step-by-step explanation:
Given
Required
Find x and y
To eliminate x, we simply add both equations
Divide by 9
Substitute -3 for y in
Add 15 to both sides
Divide by 9
Ответ:
Angle B = 110