Basic Math Examples

$3^{y - 1} = \frac{72}{2 y}$

Step 1

Cancel the common factor of $72$ and $2$ .

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Step 1.1

Factor $2$ out of $72$ .

$3^{y - 1} = \frac{2 \cdot 36}{2 y}$

Step 1.2

Cancel the common factors.

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Step 1.2.1

Factor $2$ out of $2 y$ .

$3^{y - 1} = \frac{2 \cdot 36}{2 (y)}$

Step 1.2.2

Cancel the common factor.

$3^{y - 1} = \frac{2 \cdot 36}{2 y}$

Step 1.2.3

Rewrite the expression.

$3^{y - 1} = \frac{36}{y}$

Step 2

Graph each side of the equation. The solution is the x-value of the point of intersection.

$y \approx 3.20242459$

Step 3