Răspuns :
1.
a)2x-1=5
2x=6
X=3
b)4x-8=3x+1
4x-3x=1+8
X=9
c)7x-8=-22
7x=-14
X=-2
d)2(x-3)+1=-11
2x-6+1=-11
2x-5=-11
2x=-6
X=-2
e)|2x+3|=7
2x+3=7
2x=5
X=5/2
-2x-3=7
-2x=10
X=-5
1.
a)2x-1=5
2x=6
X=3
b)4x-8=3x+1
4x-3x=1+8
X=9
c)7x-8=-22
7x=-14
X=-2
d)2(x-3)+1=-11
2x-6+1=-11
2x-5=-11
2x=-6
X=-2
e)|2x+3|=7
2x+3=7
2x=5
X=5/2
-2x-3=7
-2x=10
X=-5