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1.4
Potenssi 2 p.
Yhtälön
7^(2x+7)=7 ratkaisu on

$1$ . $4$ $\newline$ Potenssi $2$ p. $\newline$ Yhtälön $7^{2 x+7}=7$ ratkaisu on

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Powers with decimal bases

Full solution

Q.

1

.

4

\newline

Potenssi

2

p.

\newline

Yhtälön

7^{2 x+7}=7

ratkaisu on

Identify Base: Identify that both sides of the equation have the same base, which is $7$ . Since the bases are the same, we can set the exponents equal to each other. $2x + 7 = 1$
Set Exponents Equal: Solve for $x$ by subtracting $7$ from both sides. $\newline$ $2x = 1 - 7$ $\newline$ $2x = -6$
Solve for x: Divide both sides by $2$ to isolate $x$ . $x = \frac{-6}{2}$ $x = -3$

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