Question

Уравнение 0,5+(х+1)=3; -(3х-1)+1/2=1.5х

Answer 1

-(3х-1)+1/2=1.5х

3x+1+0.5 =1.5x

3x+1+0.5-1.5x=0

1.5x+1+0.5=0

1.5x=1.5

x=1

Answer 2

0,5+(х+1)=3;
0,5+x+1=3
1,5+x=3
x=3-1,5
x=1,5
============

-(3х-1)+1/2=1.5х
-3x+1+0,5=1,5x
-3x+1,5=1,5x
1,5x+3x=1,5
4,5x=1,5
x=1,5:4,5
x=1/3