Question #5121
7x + 2y =7
2x + y = -1
2x + y = -1
Expert's answer
7x+2y=7
4x+2y=-2
substract the second equation from the first:
3x=9 => x=3
from the second equation of the system 2y=-2-4x=-2-12=-14 => y=-7
Hence answer x=3, y=-7
4x+2y=-2
substract the second equation from the first:
3x=9 => x=3
from the second equation of the system 2y=-2-4x=-2-12=-14 => y=-7
Hence answer x=3, y=-7
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#339914 on Dec 2023
#339914 on Dec 2023
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