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Aggie
Mathematics
25 March, 19:53
Linear equations 2x+y=20
6x-5y=12
+4
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Lawson
25 March, 20:20
0
Step1:
2x+y=20
6x-5y=12
Step 2:
(2x+y=20) * 5
6x-5y=12
Step 3:
10x+5y=40
+6x - 5y=12
16x=52
X=3.25
Step 4: Plug into equation
y=-1.5
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