X-(4x+1,9)= y+(8-3y)= 2x-(13-5x)+9= 7y+(6-y)-11y=
помогите пжээ
1)x-4x-1,9=-3x-1,9 2)y+8-3y=8-2y 3)2x-13+5x+9=7x-4 4)7y+6-y-11y=6-5y
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