Question

Решите уравнения :
1)8(х-1,4)=0,56
2)(4,6-х)*19=4,18

Answer 1

Пошаговое объяснение:

$8(x - 1.4) = 0.56 \\ 8x - 11.2 = 0.56 \\ 8x = 0.56 + 11.2 \\ 8x = 11.76 \\ x = 1.47$

$(4.6 - x) \times 19 = 4.18 \\ 87.4 - 19x = 4.18 \\ - 19x = 4.18 - 87.4 \\ - 19x = - 83.22 \\ x = 4.38$