Question

Помогите решить номер 2

Answer 1

0.4x=-5.09+4.81
0.4x=-0.28
x=-0.28/0.4
x=-0.7

Answer 2

$- 4.81 + 0.4x = - 5.09 \\ 0.4x = - 5.09 + 4.81 \\ 0.4x = - 0.28 \\ x = - 0.28 \div 0.4 \\ x = - 2.8 \div 4 \\ x = - 0.7$