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OpenStudy (anonymous):
7x + 2 <51
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OpenStudy (karatechopper):
x=49
OpenStudy (anonymous):
7x<51-2 x<49/7 x<7
OpenStudy (karatechopper):
7x+2<51 7x+2-2<51-2 7x<49 7/7x<49/7 x>7
OpenStudy (karatechopper):
ugh i mean x<7
OpenStudy (anonymous):
7x+2(8-x)=51 Use "FOIL" 7x+16-2x=51 Combine like terms 5x+16=51 Subtract16 from both sides 5x=35 Then divide by 5 x=7
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OpenStudy (anonymous):
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