Chapter 1.2, Problem 29E

To determine

To calculate: To write and solve the equation

Answer to Problem 29E

Equation is $2x+13=75$

Solution of equation is $x=31$

Explanation of Solution

Given: The sum of twice a number and $13$ is $75$

Calculation:

Given thatsum of twice a number and $13$ is $75$

Let the number be $x$

Thus, equation is given as

  $2x+13=75$

On solving the equation:

  $\begin{array}{l}2x=75-13\\ 2x=62\\ x=\frac{62}{2}\\ x=31\end{array}$

Conclusion:

Hence, Equation is $2x+13=75$

Solution of equation is $x=31$