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OpenStudy (anonymous):
solve each system using substitution. Check your answer. 3x+2y=23 1/2x=4=y
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Mehek (mehek14):
what does 1/2x = 4 = y mean?
OpenStudy (anonymous):
i meant subtract
Mehek (mehek14):
3x+2(1/2x-4)=23 3x + 1x - 8 = 23 4x - 8 = 23 4x = 31 x = 7.75
OpenStudy (anonymous):
thank you so much
Mehek (mehek14):
no problem
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