Răspuns:
a)
-5+11 = 5x-3x
6 = 2x
x = 3
b)
-5-3 = 3x-2x
-8 = x
c)
2-1 = -4x+5x
1 = x
d)
-36+18 = -x+4x
-18 = 3x
x = -6
e)
5x-3x = -31-17
2x = -48
x = -24
f)
5x-2x = -60+15
3x = -45
x = -15
