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22-02-2021
Mathematics

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solve using elimination 3x+5y=4; -3x+y=8

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divergentgirl102 divergentgirl102

22-02-2021

Answer:

x=-2

y=2

Step-by-step explanation:

-3x+y=8

+3x +3x

y=8+3x

3x+5(8+3x)=4

3x+40+15x=4

18x+40=4

-40 -40

18x=-36

x=-2

-3(-2)+y=8

6+y=8

-6 -6

y=2

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