Ответ:
12-2,4x/8=3,8x-19/4
(12-2,4x)×4=(3,8x-19)×8
48-9,6x= 30,4x-152
-9,6-30,4= -152-48
-40x=-200
x=-200÷(-40)
x=5
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Ответ:
12-2,4x/8=3,8x-19/4
(12-2,4x)×4=(3,8x-19)×8
48-9,6x= 30,4x-152
-9,6-30,4= -152-48
-40x=-200
x=-200÷(-40)
x=5