Răspuns :
a)2(x-1)+3(x+4)=0
2x-2+3x+12=0
5x+10=0
5x=-10
x=-2
b)3x-(5-4x)-3(x-8)=3
3x-5+4x-3x+24=3
4x+19=3
4x=-16
x=-4
c)5(2x-7)-(4x+8)=3(x+6)-1
10x-35-4x-8=3x+18-1
6x-43=3x+17
3x=60
x=20
d)6x-(7+2x)-3(4x-1)=2(x-6)+18
6x-7-2x-12x+3=2x-12+18
-8x-4=2x+6
-10x=10
x=-1.
2x-2+3x+12=0
5x+10=0
5x=-10
x=-2
b)3x-(5-4x)-3(x-8)=3
3x-5+4x-3x+24=3
4x+19=3
4x=-16
x=-4
c)5(2x-7)-(4x+8)=3(x+6)-1
10x-35-4x-8=3x+18-1
6x-43=3x+17
3x=60
x=20
d)6x-(7+2x)-3(4x-1)=2(x-6)+18
6x-7-2x-12x+3=2x-12+18
-8x-4=2x+6
-10x=10
x=-1.
a)
2(x-1)+3(x+4)=0
2x-2+3x+12=0
5x+10=0
5x=-10
x=-2
b)
3x-5+4x-3x+24=3
4x+19-3=0
4x+16=0
4x=-16
x=-4
c)5(2x-7)-(4x+8)=3(x+6)-1
10x-35-4x-8=3x+18-1
6x-3x=17+35+8
3x=60
x=20
d)6x-(7+2x)-3(4x-1)=2(x-6)+18
6x-7-2x-12x+3=2x-12+18
-8x-2x=6+7-3
-10x=10
x=-1
2(x-1)+3(x+4)=0
2x-2+3x+12=0
5x+10=0
5x=-10
x=-2
b)
3x-5+4x-3x+24=3
4x+19-3=0
4x+16=0
4x=-16
x=-4
c)5(2x-7)-(4x+8)=3(x+6)-1
10x-35-4x-8=3x+18-1
6x-3x=17+35+8
3x=60
x=20
d)6x-(7+2x)-3(4x-1)=2(x-6)+18
6x-7-2x-12x+3=2x-12+18
-8x-2x=6+7-3
-10x=10
x=-1