- (4x5- 5x3 - 7x + 1) = (4x - 1)
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Step-by-step explanation:
-(20-15-7x+1)=(4x-1)
-(5-7x+1)=(4x-1)
-(-7x+1)=(4x-1)
7x-1=4x-1
7x-4x=-1+1
3x=0
x=0
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