Найдите X -(14-21x)=56
7(x+7) =10x
3(x+8) =-3x
(45-y) +8=28
5(x-5) =-8x+1
Срочно
7(x+7) =10x
3(x+8) =-3x
(45-y) +8=28
5(x-5) =-8x+1
Срочно
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Ответ:
7x+49=10x
49=10x-7x
3x=49
x=49/3
3x+24=-3x
6x=-24
x=-4
45-y+8=28
-y=28-8-45
-y=-25
y=25
5x-25=-8x+1
13x=1+25
x=2
Пошаговое объяснение: