Question

-1,3+(икс-4,8) ровно -7,1 алгебра

Answer 1

$- 1.3 + (x - 4.8) = - 7.1 \\ x - 4.8 = - 7.1 + 1.3 \\ x = - 5.8 + 4.8 \\ x = - 1$