Sagot :
Cevap:
x=21
Adım adım açıklama:
12x-3.(x-7)=10x
12x-3.x-3.(-7)=10x
12x-3.x+21=10x
9x+21=10x
21=10x-9x
X=21
Cevap:
x=21/11
Adım adım açıklama:
12x-3x+21=10x
12x-3x-10x=-21
-11x=-21 her tarafa - ile çarparız
11x=21 her tarafı 11e böleriz
x=21/11
iyi dersler
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