I need two equations to use elimination but I don't know what equations to use.
2 answers:
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Answer:
Step-by-step explanation:
(3-)(3+
)
=(3)^2-( )^2
=9-2
=7
Answer:
Step-by-step explanation:
(3-)(3+
)
=(3)^2-( )^2
=9-2
=7