решите уравнение 2/3x+0,5=-x
2/3х+5/10=-х
2/3х+1х=-5/10
1 2/3х=-5/10
х=-5/10:1 2/3=5/10:5/3=5/10*3/5
х=3/10
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2/3х+5/10=-х
2/3х+1х=-5/10
1 2/3х=-5/10
х=-5/10:1 2/3=5/10:5/3=5/10*3/5
х=3/10