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a fost răspuns

a) 1+9x = -89
b) 1- 5x = - 19
c) 2x + 1 = 5
d) -3x - 5 = 10
e) x : 3 = 4
f) 2x =-4
g) -5x +1 = 1 ...
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Răspuns :

Deva
a)1+9x=-89
9x=-90
x=-10
b)1-5x=-19
-5x=-20
x=4
c)2x+1=5
2x=4
x=2
e)x:3=4
x=12
d)-3x-5=10
-3x=15
x=-5
f)2x=-4
x=-2
g)-5x+1=1
-5x=0
x=0