Question

Помогите решить уровнения
1) 47+2(x+4)=7
2) 0,7x-1,82=0,8x+3,46

Answer 1

1. 47 + 2x + 8 = 7
2x = -48
x = -24
2. 0.7x - 0.8x = 3.46 + 1.82
-0.1x = 5.28
x = -52.8