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Question

Solve for x, if
x+log10(1+2x)=xlog105+log106

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Solution

x+log10(1+2x)=xlog105+log106
x+log10(1+2x)=log10(6.5x)
x=log10(6×5x)log(1+2x)
x=log10(6×5x1+2x)
10x=6×5x1+2x
2x×5x=6×5x1+2x
Put 2x=t
t(1+t)=6
t(1+t)=2×3
t=2
2x=2
x=1
x=1.

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