Question 2 options: All questions are about this system of equations: {5x +18y =23 x +3y = 2 When you multiply the second equation by this number, what does it become?

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asked Nov 2, 2018 211k views

1 vote

Question 2 options:

All questions are about this system of equations:

{5x +18y =23
x +3y = 2
When you multiply the second equation by this number, what does it become?

Mathematics
high-school

Stephen Lloyd asked

by Stephen Lloyd

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1 Answer

5 votes

the second equation becomes
-6x-18y=-12

5x+18y=23
-6x-18y-12

-x=11

x=-11

-11+3y=2

3y=13

y=13/3

Gokul Shinde answered Nov 7, 2018

by Gokul Shinde

6.9k points

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