A) 0,9x+1=0,2x+6 Б)0,5×(8x-2)=-4(25-x)

Question

A) 0,9x+1=0,2x+6

Б)0,5×(8x-2)=-4(25-x)

Answer 1

0.9х + 1 = 0,2х + 6
0,9х - 0,2х = 6-1
0,7х = 5
Х=5/0,7
Х=5/7/10
Х=5*10/7
Х=50/7

Comments

0,5*(8х-2)=-4(25-х)
4х-1=-100+4х
-1=-100