4 years ago

3x+y=5 y=2x Substitution method

1 answer:

5 0

Substitute 2x as y:

3x + y = 5
3x + 2x = 5
5x = 5
x = 1

Now, substitue 1 as x into one of the two equations:

y = 2x
y = 2(1)
y = 2

Hope this helps!

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