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One question I need help with, I would really appreciate the help.

One question I need help with, I would really appreciate the help.-example-1
User Prix
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1 Answer

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At first, she had +2y in the upper and -5y in the lower.

She multiplied the upper by 5 . Then she had +10y in the upper.

She should multiply the lower by 2 . Then she'll have -10y
there. She'll be able to add the two equations, and the 'y's will
go away. She'll be left with a single equation with only 'x' in it,
and she can solve that one for the value of 'x'.

User Wouter Vanherck
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7.5k points

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