👤
a fost răspuns

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


1,(3)x+7=1,1(6)x+11

Răspuns :

Ogabi67
14x +2=10x+15+1
14x+2=10x+16
14x-10x=16-2
4x=8
x=8:4=2
Renatemambouko
2(7x+1)=5(2x+3)+1
14x+2=10x+15+1
4x=16-2
4x=14
x=7/2

1,(3)x+7=1,1(6)x+11
1,(3)= 1+3/9=1+1/3=4/3
1,1(6)=1 +(16-1)/90=1+15/90=1+1/6=7/6
4x/3+7=7x/6+11
4x/3-7x/6=11-7
(8x-7x)/6=4
x/6=4
x=24

Alte intrebari