Algebra-1 Problems

3.1 Addition Property of Equality


Problem #

Problem Statement

Problems Similar To

1.

Solve for x

\begin{equation}x+7=15\end{equation}

2.

Solve for x

\begin{equation}-6=x-13\end{equation}

3.

Solve for x

\begin{equation}x+\frac{6}{5}=\frac{16}{5}\end{equation}

4.

A herd of elephants grew by 7 in number last year to a total of 11. How many elephants were there originally?

\begin{equation}x+7=11\end{equation}

5.

Jerry owed $\$4$, but made enough money by washing cars so that he had $\$3$ left after paying off his debt. How much did he make by washing cars?

\begin{equation}x-4=3\end{equation}

6.

Mrs. T was given a raise of $\$3$ an hour, which brought her hourly wage to $\$8$. Solve an equation to determine Mrs. T's hourly wage before her raise?

\begin{equation}x+3=8\end{equation}

7.

Monica finished her race in 12 seconds, which was 9 seconds less than her practice time. Write and solve an equation to find her practice time.

\begin{equation}x-9=12\end{equation}