Q75. - Algebra 1

Question

If $y=10$, then $8y-15= ?$

Step-by-Step Solution

Answer

The value of the expression $8y-15$ is 65.

Step 1. Given.

The given expression is $8y-15$ and value of $y$ is $10$

Step 2. Calculation.

Substitute the value of $y$ in the expression.

$$\begin{gathered} 8y-15=8\left(10\right)-15 \\ =80-15 \\ =65 \end{gathered}$$

Hence, the value of the expression $8y-15$ is 65.

Step 3. Conclusion.

To obtain the value of the given expression the value of $y$ is replaced by $10$ giving the value of the expression as 65.