x-5=4x-8x+2; x-4x+8x=2+5; 5x=7; x=7/5=1,4. Ответ: x=1,4.
х - 5 = 4х - 2(4х- 1)
х-5=4х-8х+2
х-5=--4х+2
х+4х=2+5
5х=7
х=7:5=1,4
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x-5=4x-8x+2; x-4x+8x=2+5; 5x=7; x=7/5=1,4. Ответ: x=1,4.
х - 5 = 4х - 2(4х- 1)
х-5=4х-8х+2
х-5=--4х+2
х+4х=2+5
5х=7
х=7:5=1,4