Question

-4.1+(-8.3)-(-7.3)-(+1.9)=
и уравнения
х-5.16=-2.15
(1.5-х)-2.8=16.2
РЕШИТЕ СРОЧНО

Answer 1

1) - 4.1-8.3+7.3-1.9=-7. 2)х=-2.15+5.16, х=3.01. 3)1.5-х-2.8=16.2, - х=16.2+2.8-1.5, - х=17.5, х=-17.5