Question

5x-2+7=x+1 in seven standards

Answer 1

5x-2+7=x+1
=> 5x+5 = x+1
=> 5x-x = -5+1
=> 4x= -4
 
ans is x= -1

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Answer 2

5x+5=x+1
5x-x=1-5
4x=-4
x=-4/4
x=-1