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I don’t understand! Please help

I don’t understand! Please help
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5 votes
I don’t understand! Please help

I don’t understand! Please help-example-1
User Ntcolonel
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1 Answer

4 votes
30.... you set them all equal to 180... 2x+10+2x+25+x-5= 80. You then simplify to 5x+30=180. Subtract 30 from 180 and you get 5x=150 then divide 150 by 5 and you get 30.
User Adetunji
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