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Ungureanuflori
a fost răspuns

1)2x+7(x+1)+5=18+3x+6
 2)x+2x+3x+4x+5=5 la putera 3
3)2(x+1)+3(x+2)+4x+5=2 la puterea 3 inmultit cu 5
4)(1+2+3+4+5)x=x+2x+3x+4x+25=
5)&x+3(x-2)+6=x+36
6)(x+1)+(x+2)+(x+3)+(x+4)=10+3x+1+x 

Răspuns :

Andriciucandreea
1)2x+7x+7+5=18+3x+6
9x+12=3x+24
9x=3x+12
3x=12
x=4
2)10x+5=125
10x=120
x=12
3)2x+2+3x+6+4x+5=40
9x+13=40
9x=27
x=3
4)15x=10x+25
5x=25
x=5
5)7x+3x-6+6=x+36
10x=x+36
9x=36
x=4
6)nu imi da . Cred ca ai gresit!!!