Ответ:
4x + x = 255x = 2525 : 5 = 25x = 54+x=25x=25-4x=2125-x=4-x = 4-25-x = -21x = 21
Объяснение:
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Ответ:
4x + x = 25
5x = 25
25 : 5 = 25
x = 5
4+x=25
x=25-4
x=21
25-x=4
-x = 4-25
-x = -21
x = 21
Объяснение: