Решите уравнения:
45, 7х + 0, 3х - 2? 4 = 89, 6
80, 1у - 10, 1у + 4, 7 = 81, 7
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Решите уравнения:
45, 7х + 0, 3х - 2? 4 = 89, 6
80, 1у - 10, 1у + 4, 7 = 81, 7
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45,7x+0,3x-2,4=89,6
45,7x+0,3x=89,6+2,4
46x=92
x=92:46
x=2
80,1y-10,1y+4,7=81,7
80,1y-10,1y=81,7-4,7
70y=77
y=77:70
y=1,1