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Solve the equation:

5x-3=72x+1

log55x-3=log572x+1

x-3=(2x+1)log57

x-2xlog57=3+log57

x(1-2log57)=3+log57

x=(3+log57)/(1-2log57)

Nina H. GCSE Maths tutor, 13 Plus  Maths tutor, IB Maths tutor, A Lev...

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