Mathematics
Mathematics, 28.10.2020 03:40, emmaraeschool

Using substitution Method X-2y=-25
3x-y=0

y=x+4
2x+y=19

-3a+b=4
-9a+5b=-1

m+2n=1
5m+3n=-23

5c+3d=11
5c-d=5

answer
Answers: 3

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Do you know the correct answer?
Using substitution Method X-2y=-25
3x-y=0

y=x+4
2x+y=19

-3a+b=4...

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