Question

Решите уравнения:
1) 4,7·(4х-3)-3,5·(6-2х)=0,3
2) 3·(0,2х-5)-4·(-5+0,3х)=10+0,4х

Answer 1

1)18.8x-14.1-21-7x=0.3
11.8x-35.1=0.3
11.8x=35.4x=3

2)0.6x-15+20-1.2x-10-0.4x=0
0.2x=5
X=25