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determinati solutiile ecuatiilor c) 2(x+3)-3(2x+1)=8(2x-1)-9 Va roog :D


Răspuns :

2x+6-6x-3=16x-8-9
-4x+3=16x-17
-4x-16x=-17-3
-20x=-20•(-1)
20x=20
x=1
2(x+3)-3(2x+1)=8(2x-1)-9
2x+6-6x-3=16x-8-9
-4x+3=16x-17
-4x-16x=-17-3
-20x=-20
x=-20/-20
x=1