selecia12 selecia12

25-01-2017
Mathematics

contestada

using substitution how do u solve
3y+2x=6
and 5y-2x=10

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Аноним Аноним

25-01-2017

3y+2x=6
5y-2x=10
--------------add
8y = 16
y = 2

3y+2x=6
3(2)+2x=6
6 + 2x = 6
2x = 0
x = 0

answer: x = 0 and y = 2 or (0,2)

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deleonsisi deleonsisi

25-01-2017

the answer is x=-9 and y=8

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