Question

СРОЧНО ПОМОГИТЕ ПОЖАЛУЙСТА!!!!!
0,4х + 12 = - 0,16​

Answer 1

$0,4x+12=-0,16\\0,4x=-0,16-12\\0,4x=-12,16\\x=-30,4=-\frac{152}{5} = -30\frac{2}{5}$

Answer 2

$0.4x + 12 = - 0.16 \\ 0.4x = - 0.16 - 12 \\ 0.4x = - 12.16 \\ x = - 12.16 \div 0.4 \\ x = - 121.6 \div 4 \\ x = - 30.4$