Three Equations, Two Unknowns

Three Equations, Two Unknowns

Postby nycmath » Fri Sep 25, 2026 11:08 am

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Re: Three Equations, Two Unknowns

Postby Eigenvalue » Fri Sep 25, 2026 4:23 pm

2x²=18
x²=9
x=[tex]\pm[/tex]3

x=3
y=9-x=9-3=6
x+y÷3=3+(6÷3)=5

x=-3
y=9-x=9-(-3)=12
x+y÷3=-3+(12÷3)=1

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