Question

1. 1/2x+1/6x+5=x
2. 0,2x+2,3=0,7x-3,2
Помогите!

Answer 1

1)
$\frac{1}{2} x + \frac{1}{6} x - x = -5 \\ \\ x - \frac{3x}{6} - \frac{1x}{6}=5$

$\frac{6x}{6} - \frac{4x}{6} =5 \\ \\ 2x=5*6 \\ \\ x=15$

2x=5*6
x=15

2) 0.2x-0.7x=-3.2-2.3
-0.5x=-5.5
0.5x=5.5
x=1.1