Question

7,8х- 3= -18,6помогите решить уравнение​

Answer 1

$7.8x - 3 = - 18.6 \\ 7.8x = - 18.6 + 3 \\ 7.8x = - 15 .6 \\ x = - 15.6 \div 7.8 \\ \boldsymbol {x = - 2}$