Using substitution Method
X-2y=-25
3x-y=0
y=x+4
2x+y=19
-3a+b=4...
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
Answers: 3
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