Răspunsuri

2014-11-19T17:40:58+02:00
3x-4=6-x3x+x=6+4
4x=10
x=10/4
x=5/2

1-8x=x-58x+x=1+5
9x=6
x=6/9
x=2/3

3+y=-2y-60y+2y=-60-3
3y=-63
y=-63/3
y=-21



y:(-12)=216
y=-216*12
y=-2592

7x-12=/(-16)/
7x-12=-16

7x=-16+12
7x=-4
x=-4/7

5:z=0

z=0