Matematică
PaulaAndreeaMerlan
2018-01-23 08:19:12
x+32=103 ,152 minus x=84 322:x=23 3*(x minus27=87 (5*[3*(2*xminus8)minus8]minus8):4=3
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Cont şters
2018-01-23 09:50:31

x+32=103/-32 x=71 152-x=84 =>x=152-84=>x=68 322:x=23=>x=322:23 =>x=14 3*(x-27)=87 /:3 x-27=23/+27 x=50 {5*[3*(2x-8)-8]-8}:4=3/*4 5*[3*(2x-8)-8]-8=12/+8 5*[3*(2x-8)-8]=20/:5 3 (2x-8)-8=4/+8 3 (2x-8)=12/:3 2x-8=4/+8 2x=12/:2 x=6

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