a. x+5=-4
x=-4-5
x=-9
b.2x=-4
x=-4÷2
x=-2
c.x÷3=-4
x=3× (-4)
x=-12
d.2x+1=-7
2x=-7-1
2x=-8
x=-8÷2
x=-4
e.-3+1=-14
-3x=-14-1
-3x=-15
3x=15
x=15÷3
x=5
f. 1-5x=-19
-5x=-19-1
-5x=-20
5x=20
x=20÷5
x=4
Sper că te-am ajutat!
Răspuns:
a) x=-9
b)x=-2
c)x=-12
d)×=-4
e)x=-5
f)x=4
