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Solve the system by substitution. y = 5x y = 4x + 9
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1 vote
Solve the system by substitution.
y = 5x
y = 4x + 9

User Hexagon Theory
by
6.7k points

1 Answer

3 votes

Answer:

x=9

Explanation:

Since y=5x, you plug it into the other equation's y and it'd look like this 5x=4x+9. Then you subtract 4x on both sides and that would leave you with an x=9.

User Gillis Haasnoot
by
7.7k points
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