Răspuns :

Kitty200704id

a)

10x - 6 = 0 /+6

10x = 6 /÷10

[tex]x = \frac{6}{10} = \frac{3}{5} [/tex]

b)

2 + 3x = 11 /-2

3x = 9 /:3

x=3

c)

1 - 2x = -5 /-1

-2x = -6 /:(-2)

x=3

d)11-3x=-9 /-11

-3x=-20 /:(-3)

x=20/3

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