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1 vote
Use substitution to solve equation:
y=4x
x+y=5

User Blimmer
by
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2 Answers

2 votes
x=5
y=0 ok you done bro
User Matt Gaunt
by
8.1k points
1 vote
plug y = 4x in second equation:-

x + 4x = 5

5x - 5
x = 1

and y = 4*x = 4

solution set is {1,4}
User Mihai Marinescu
by
8.2k points

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