Răspuns:
[tex]a) 7+x=56=>x=49\\\\b) 13x=2691=>x=207\\\\c)19-x=5=>19-5=x=>x=14\\\\d)5168:x=34=>5168=34x=>x=152\\\\e)7+3(x+2)=16\\7+3x+6=16\\3x=3\\x=1\\\\f) 6^{x+2} = 6^{7} => x+2=7=>x=5\\\\g) (3^{x} )^{4} = 3^{4} *3^{7} => 3^{4x} = 3^{28} => 4x=28=>x=7[/tex]
2)
a) [tex]Ma = \frac{27+59}{2}=> Ma = 43[/tex]
b)[tex]Ma = 44\\\\44 = \frac{a+a+2}{2} =>88=2a+2=> 2a=86=> a=43 \\[/tex]al doilea numar este 45. 43 si 45 sunt cele doua numere
