Question

a) 3x+ 72 = 0; c) 22z t+ 440 =0: e) 13-5x= 8; 8.
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Answer 1

Răspuns:

a)x=-24,c)zt=-20,e)x=1

Explicație pas cu pas:

a)3x+72=0

3x=0-72

3x=-72

x=-24

c)22×zt+440=0

22×zt=-440

zt=-20

e)13-5x=8

5x=13-8

5x=5/:5

x=1

Succes!