SOLUTION: Please help me solve this: log(2+x)=2.1 what is x round to 2 decimal places

Question 715949: Please help me solve this: log(2+x)=2.1 what is x round to 2 decimal places
Answer by jsmallt9(3758) (Show Source): You can put this solution on YOUR website!
With an equation in the form:
log(expression) = number
the next step is to rewrite the equation in exponential form. In general, is equivalent to . Using this pattern on your equation we get:

Subtracting 2 we get:

This is an exact expression for the solution to your equation. For a decimal approximation we get out our calculators:

which simplifies to:

Rounded to two places this is:

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