Помогите плиз (6клас)
1) 2·(х+3)=3(х-4)
2) 39-7у+17=3у+16
3) -0,3 (3-х)=0,3+0,3·(5х+2)
4) 2(у-6)-3у=4у-у
1) 2·(х+3)=3(х-4)
2) 39-7у+17=3у+16
3) -0,3 (3-х)=0,3+0,3·(5х+2)
4) 2(у-6)-3у=4у-у
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Answers & Comments
x=-18
39-7y+17=3y+16
56-7y=3y+16
-10y=-40
y=4
-0.9+0,3x=0,3+1,5x+0.6
-1,8x=1,2
x=-0,6
2(y-6)-3y=3y
2y-12-3y=3y
-4y=12
y=-3