4(0,4x-7)-5 (0,6x+4)=8

Question

4(0,4x-7)-5 (0,6x+4)=8

Answer 1

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Answer 2

4(0,4x-7)-5(0,6x+4)=8
1,6x-28-3x-20=8
1,6x-3x=28+8+20
-1,4x=56
x=56:(-1,4)
x=-40
Ответ: -40