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a fost răspuns

3 (x+1/2)+4x+1=5/2+7x

si

5/8(x-3)+7,5=37x-7/8-1

Răspuns :

Larissa02
3( x+1/2) +4x +1=5/2+7x
3x+3/2+4x+1= 5/2+7x
3x+4x-7x=5/2-3/2-1/1
X=2/2-1
X=0