Ответ:
29 + х) - 48 = 36
29+ х=36+48
29+ х=84
х=84-29
х=55
(29+x) - 48 = 36
29+x-48=36
-19+x=36
x=36+19
x=55
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Ответ:
29 + х) - 48 = 36
29+ х=36+48
29+ х=84
х=84-29
х=55
(29+x) - 48 = 36
29+x-48=36
-19+x=36
x=36+19
x=55