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Popular >

3^{2x+1}-27^x=0

Solution

3^{2 x + 1} - 2 7^{x} = 0

Solution

x = 1

Solution steps

3^{2 x + 1} - 2 7^{x} = 0

Add

2 7^{x}

to both sides

3^{2 x + 1} - 2 7^{x} + 2 7^{x} = 0 + 2 7^{x}

Simplify

3^{2 x + 1} = 2 7^{x}

Apply exponent rules

2 x + 1 = 3 x

Solve

2 x + 1 = 3 x : x = 1

x = 1

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3^{x + 2} + 9^{x + 1} = 108

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solvefor x,y^2=153+2^x solve for

x, y^{2} = 153 + 2^{x}

solvefor y,x=sqrt(3-e^{2y)}solve for

y, x = 3 - e^{2 y}

Frequently Asked Questions (FAQ)

What is the answer to 3^{2x+1}-27^x=0 ?
The answer to 3^{2x+1}-27^x=0 is x=1
Solve for x: 3^{2x+1}-27^x=0
The solution is x=1