Basic Math Examples

Solve for n 2^(2n+1)=32
22n+1=32
Step 1
Create equivalent expressions in the equation that all have equal bases.
22n+1=25
Step 2
Since the bases are the same, then two expressions are only equal if the exponents are also equal.
2n+1=5
Step 3
Solve for n.
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Step 3.1
Move all terms not containing n to the right side of the equation.
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Step 3.1.1
Subtract 1 from both sides of the equation.
2n=5-1
Step 3.1.2
Subtract 1 from 5.
2n=4
2n=4
Step 3.2
Divide each term in 2n=4 by 2 and simplify.
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Step 3.2.1
Divide each term in 2n=4 by 2.
2n2=42
Step 3.2.2
Simplify the left side.
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Step 3.2.2.1
Cancel the common factor of 2.
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Step 3.2.2.1.1
Cancel the common factor.
2n2=42
Step 3.2.2.1.2
Divide n by 1.
n=42
n=42
n=42
Step 3.2.3
Simplify the right side.
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Step 3.2.3.1
Divide 4 by 2.
n=2
n=2
n=2
n=2
 [x2  12  π  xdx ]