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Rezolvați in Q ecuatiile:
2(x+3)-5=x-7

4(x+8)=3(x-2)


Răspuns :

2x+3-6=x-7
2x-3-x+7=0
x+4=0
x=-4
4x+32=3x-6
4x+32-3x+6= 0
x+38=0
x=-38
2(x+3)-5=x-7
2x+6-5=x-7
2x+1=x-7
2x-x=-7-1
x=-8


4x+32=3x-6
4x-3x=-6-32
x=-38