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октябрёнок1
@октябрёнок1
June 2022
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1)3у-9-12у=17-22у
2)0,8х-9=3х-13
3)2,7х+4,7=2,3х=9,54
4)1,3у -2,9=2,3-0,7у
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Answers & Comments
viktoriabarcev
1)3y+22y-12y=9+17
13y=26
y=2
2)0.8x-3x=-13+9
-2.2x=4
x=4/-2.2
3)2.7x-2.3x=9.54-4.7
0.5x=4.84
x=9.68
4)1.3y+0.7y=2.9+2.3
2y=5.2
y=2.6
2 votes
Thanks 3
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Report "1)3у-9-12у=17-22у2)0,8х-9=3х-133)2,7х+4,7=2,3х=9,544)1,3у -2,9=2,3-0,7у..."
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Answers & Comments
13y=26
y=2
2)0.8x-3x=-13+9
-2.2x=4
x=4/-2.2
3)2.7x-2.3x=9.54-4.7
0.5x=4.84
x=9.68
4)1.3y+0.7y=2.9+2.3
2y=5.2
y=2.6