Question

7 ( x - 11 ) + 2 = 4 (x + 3 )- 1 , 4 x + 48 ÷ 4 = 2 x - 7 × 3 , (0,3 - 1/20 ) ÷ ( 3/4 - 1, 25 )

Answer 1

7х-77+2=4х+12-1
7х-4х=77-2-11-1
3х=-63
х=-11
4х-2х=-12-21
2х=-23
х=-11.5
3) -1/2