3x+y=17 and x+2y=5 then 2x-y/4=

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1 Answer

line 1...3x+y=17 or 6x+2y=34

line 2...x+2y=5

line 1 -line 2...(6x-x) +(2y-2y)=34-5

5x=29

x=29/5=5.8

y=17-3x...17-17.4=0.4

step 3...EVALUATE 2x -(y/4)

=2*5.8 -(0.4/4)

=11.6-0.1

=11.5
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