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OpenStudy (anonymous):
0.9(2x+8)=20-(x+5) ?
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OpenStudy (anonymous):
1. distribute 2.simplify
OpenStudy (anonymous):
0.9(2x)+0.9(8)= 20-x-5
OpenStudy (anonymous):
1.8x+7.2=15-x
OpenStudy (anonymous):
add (1)x to both sides and subtract 7.2 from both sides
OpenStudy (anonymous):
2.8x=7.8
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OpenStudy (anonymous):
tyy
OpenStudy (anonymous):
x=3
OpenStudy (anonymous):
um...no that's not right..- - sorry
OpenStudy (anonymous):
39/14
OpenStudy (anonymous):
that's the answer
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