2x-10y=20 x=5y+10 (solve using substitions)

solve using substitions

2x-10y=20

x=5y+10

 

also

x=2y-5

x+2y=-1
in Algebra 1 Answers by

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1 Answer

line 1: 2x-10y=20...this konvert tu x=5y+10....same as line2

line 2: x=5y+10

line 1...2*(5y+10)-10y=20

10y -10y+20=20

BAD DATA
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