What is the answer to 4-(4e^{4x})/(1+e^{4x)}=0 ?

The answer to 4-(4e^{4x})/(1+e^{4x)}=0 is No Solution for x\in\mathbb{R}

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4-(4e^{4x})/(1+e^{4x)}=0

4 - \frac{4 e ^{4 x}}{1 + e ^{4 x}} = 0

No Solution for x \in R

Solution steps

4 - \frac{4 e ^{4 x}}{1 + e ^{4 x}} = 0

Multiply both sides by

1 + e^{4 x}

4 (1 + e^{4 x}) - \frac{4 e ^{4 x}}{1 + e ^{4 x}} (1 + e^{4 x}) = 0 \cdot (1 + e^{4 x})

Simplify

4 (1 + e^{4 x}) - 4 e^{4 x} = 0

Add

4 e^{4 x}

to both sides

4 (1 + e^{4 x}) - 4 e^{4 x} + 4 e^{4 x} = 0 + 4 e^{4 x}

Simplify

4 (1 + e^{4 x}) = 4 e^{4 x}

Expand

4 (1 + e^{4 x}) : 4 + 4 e^{4 x}

4 + 4 e^{4 x} = 4 e^{4 x}

Move

4

to the right side

4 e^{4 x} = 4 e^{4 x} - 4

Move

4 e^{4 x}

to the left side

0 = - 4

The sides are not equal

No Solution for x \in R

4 9^{4 x} = 7

4^{3 x - 1} = 9^{x + 2}

16 (4^{2 x}) + 79 (4^{x}) - 5 = 0

e^{x + 2} = 2

e^{x + 2} = 4

What is the answer to 4-(4e^{4x})/(1+e^{4x)}=0 ?
The answer to 4-(4e^{4x})/(1+e^{4x)}=0 is No Solution for x\in\mathbb{R}