Question

уравнение 4(0,2x-7)-5(0,33x+6)=5

Answer 1

4(0,2х-7)-5(0,33х+6)=5
0,8х-28-1,65х-30=5
-0,85х=5+28+30
-0,85х=63
х=63:(-0,85)
х=-74 целых 2/17
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