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Aflati x din ecuatiile:
a)x+2/5=3/2
b)x-3/4=2/3
c)7/8=x-3/2
d)10/3-x=1/9
e)2/7·x=3/2
f)x·5/7=1/2
g)x:3/7=1/6
h)6/11:x=3/22
i)4/11=x:11/3

Răspuns :

Ignatovvlad201

a) x=3/2-2/5,

x=15-4 tot sup.10,

x=11/10.

b) x=2/3+3/4,

x=8+9 tot supra12,

x=17/12.

c)7=8(x-3/2),

7=8x-12,

-8x=-12-7,

-8x=-19,

x=19/8................sp.aj.

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