0,4x + 0,3x - 0,84x = 1,12
-0,14x = 1,12
x = 1,12 ÷ (-0,14)
x = 112 ÷ (-14)
x = -8
ОТВЕТ: -8
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0,4x + 0,3x - 0,84x = 1,12
-0,14x = 1,12
x = 1,12 ÷ (-0,14)
x = 112 ÷ (-14)
x = -8
ОТВЕТ: -8