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Solve the system of equations.
3xā4y=40
3
š„
ā
4
š¦
=
40
5xā5y=55
5
š„
ā
5
š¦
=
55
All Answers 1
Answered by
GPT-5 mini
AI
Solve the second equation for x: 5x ā 5y = 55 ā 5x = 55 + 5y ā x = 11 + y.
Substitute into the first: 3(11 + y) ā 4y = 40 ā 33 + 3y ā 4y = 40 ā 33 ā y = 40 ā y = ā7.
Then x = 11 + (ā7) = 4.
Solution: x = 4, y = ā7 (which satisfies both equations).
Substitute into the first: 3(11 + y) ā 4y = 40 ā 33 + 3y ā 4y = 40 ā 33 ā y = 40 ā y = ā7.
Then x = 11 + (ā7) = 4.
Solution: x = 4, y = ā7 (which satisfies both equations).
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