Question

ПОМОГИТЕ РЕШИТЬ: -2,1(x+1)=3(1,3-1,7x)

Answer 1

- 2,1( х + 1 ) = 3( 1,3 - 1,7х )
- 2,1х - 2,1 = 3,9 - 5,1х
5,1х - 2,1х = 3,9 + 2,1
3х = 6
х = 6 ÷ 3
х = 2.

Answer 2

-2,1(х+1)=3(1,3-1,7х)
-2,1х-2,1=3,9-5,1х
-2,1х+5,1х=3,9+2,1
3х=6
Х=6/3
х=2