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solve using substitution
y=3x
x=2y-5

User Mephisztoe
by
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1 Answer

4 votes

Answer:

x = 1

Explanation:

If y=3x and x=2y-5

The value of y is 3x

so we can plug that in for the value of y in the other equation

x = 2y - 5

x = 2(3x) -5

x = 6x - 5

x-6x = 6x - 5 - 6x

-5x = -5

-5x/-5 = -5/-5

x = 1

User Jeff Marino
by
7.4k points