SOLUTION: Which expression can be substituted for x in the top equation of the system below to solve the system by substitution?
2x + 10y = 1
x – 4y = –4
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Question 418610: Which expression can be substituted for x in the top equation of the system below to solve the system by substitution?
2x + 10y = 1
x – 4y = –4
Answer by algebrahouse.com(1659) (Show Source): You can put this solution on YOUR website!
"Which expression can be substituted for x in the top equation of the system below to solve the system by substitution?"
2x + 10y = 1
x – 4y = –4------>x = 4y - 4 {added 4y to both sides}
(4y - 4) can be substituted in for x, in the top equation, to solve by substitution
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