How many solutions does this system of equations have? Use either the substitution method or the elimination method. y = 2x + 3y
2 answers:
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Answer:
x1 = 0
x2 = 3
Step-by-step explanation:
If that's the right equation we can now just simplify it a bit.
Cause now it becomes obvious that we can break out x and make it into a parenthesis:
And now there's two possibilities for what x could be. Either, x is 0:
Or, the parenthesis is 0, which means that x is 3 (because 3-3=0) :
So x has two answers:
x1 = 0
x2 = 3
At least I hope this was what you were looking for