Ответ:
1) x-11=0
x=11
2)x-3=6(x+2)
x-3=6x+12
-5x=15
x=-3
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Ответ:
1) x-11=0
x=11
2)x-3=6(x+2)
x-3=6x+12
-5x=15
x=-3