Помогите пожалуйста с примером.
18х- 6 -4х+8 = 3х - 9
18х - 4х - 3х = 6 -8 -9
11х = -11
х = -1
..................................
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18х- 6 -4х+8 = 3х - 9
18х - 4х - 3х = 6 -8 -9
11х = -11
х = -1
..................................