63x-13.7=13*(0.1+5x)
63x-13,7=1,3+65х
-2х=15
х=-7,5
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63x-13.7=13*(0.1+5x)
63x-13,7=1,3+65х
-2х=15
х=-7,5
63x=1.3+65x+13.7
63x-65x=15
-2x=15
x=15:(-2)
x=-7.5