Răspuns :

Luke48id

Salut!

a) 3x - 4 = x + 11 /+4

3x = x + 15 /-x

2x = 15 /:2

x = 7,5

b) 4x + 8 = 3x + 29 /-8

4x = 3x + 21 /-3x

x = 21

c) 2x - 7 = x - 5 /+7

2x = x + 2 /-x

x = 2

d) 4x - 32 = x + 4 /+32

4x = x + 36 /-x

3x = 36 /:3

x = 12

e) 2x + 34 = 16 + x /-34

2x = -18 + x /-x

x = -18

-Luke48

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