Pre-Algebra Examples

Solve for x -4.5^(x+1)=-5
Step 1
Divide each term in by and simplify.
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Step 1.1
Divide each term in by .
Step 1.2
Simplify the left side.
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Step 1.2.1
Dividing two negative values results in a positive value.
Step 1.2.2
Divide by .
Step 1.3
Simplify the right side.
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Step 1.3.1
Divide by .
Step 2
Take the natural logarithm of both sides of the equation to remove the variable from the exponent.
Step 3
Expand by moving outside the logarithm.
Step 4
Simplify the left side.
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Step 4.1
Simplify .
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Step 4.1.1
Apply the distributive property.
Step 4.1.2
Multiply by .
Step 5
Move all the terms containing a logarithm to the left side of the equation.
Step 6
Use the quotient property of logarithms, .
Step 7
Divide by .
Step 8
Subtract from both sides of the equation.
Step 9
Divide each term in by and simplify.
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Step 9.1
Divide each term in by .
Step 9.2
Simplify the left side.
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Step 9.2.1
Cancel the common factor of .
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Step 9.2.1.1
Cancel the common factor.
Step 9.2.1.2
Divide by .
Step 9.3
Simplify the right side.
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Step 9.3.1
Move the negative in front of the fraction.
Step 10
The result can be shown in multiple forms.
Exact Form:
Decimal Form: