lexicook0915 lexicook0915

25-11-2016
Mathematics

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To solve this system using the addition method, you would need to multiply the first equation by what number in order for the x's to add out?

2x + 3y = 8

-6x + 4y = 11

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Аноним Аноним

25-11-2016

1st equation should be multiplied with 3
6x+9y=24
-6x+4y=11
________
13y=35
y=35/13

2x+3y=8...1
put y=35/13 in 1
2x+3(35/13)=8
26x+105=104
26x=-1
x=-1/26

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