Question

решить уравнения
срочно пжжжж

Answer 1

первый – 4,6

второй – 10,2

Answer 2

в)
$12.1 - (x + 5.8) = 1.7 \\ 12.1 - x - 5.8 = 1.7 \\ 6.3 - x = 1.7 \\ - x = 1.7 - 6.3 \\ - x = - 4.6 \\ x = 4.6$
г)
$(y - 3.7) - 1.8 = 4.7 \\ y - 3.7 - 1.8 = 4.7 \\ y - 5.5 = 4.7 \\ y = 10.2$