3-48х-56=9+8х
-53-48х=9+8х
-48-8х=9+53
-56х=62
х= -31/28
3 − 8 ⋅ ( 6 ⋅ x + 7 ) = 9 + 8 ⋅ x
3-48x-56=9+8x
-53-48x=9+8x
-48x-8x=9+53
-56x=62
x=-31
28
x=1.10714
3-48х-56=9+8х
-53-48х=9+8х
-48-8х=9+53
-56х=62
х= -31/28
3 − 8 ⋅ ( 6 ⋅ x + 7 ) = 9 + 8 ⋅ x
3-48x-56=9+8x
-53-48x=9+8x
-48x-8x=9+53
-56x=62
x=-31
28
x=1.10714