5x-1=8
Add one to each side 5x0=8+1 or 5x=9
Divide each side by 5 So x = 9/5 or nine fifths.
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The multiplicative property of 1.
fx=5x1 / 9
Transitive property: If 8 equals x and x equals y, then 8 equals y.
-23 equals -8
If its 2a=8 then a= 4 If a=8 then a2=16 If 8=D then 8=====================================D