Ответ:3:4x-2:3y=-5
3(4x-y)+4(2x+3y-5(6y-2y)=12x-3y+8x+12y-30x+10y=19y-10x
19x(-1)-10x2=19-20=-39
Ответ: -39
5(x-2)+30=3-y
5x+20=3-y
5x=-y-17
x=-y:5-17:5
Ответ:-y:5-17:5
Объяснение:
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Ответ:3:4x-2:3y=-5
3(4x-y)+4(2x+3y-5(6y-2y)=12x-3y+8x+12y-30x+10y=19y-10x
19x(-1)-10x2=19-20=-39
Ответ: -39
5(x-2)+30=3-y
5x+20=3-y
5x=-y-17
x=-y:5-17:5
Ответ:-y:5-17:5
Объяснение: