Algebra-1 Problems

3.1 Addition Property of Equality


Problem #

Problem Statement

Problems Similar To

1.

Solve for x

\begin{equation}x+10=19\end{equation}

2.

Solve for x

\begin{equation}-2=x-7\end{equation}

3.

Solve for x

\begin{equation}x+\frac{7}{6}=\frac{55}{6}\end{equation}

4.

A herd of elephants grew by 8 in number last year to a total of 18. How many elephants were there originally?

\begin{equation}x+8=18\end{equation}

5.

Jerry owed $\$9$, but made enough money by washing cars so that he had $\$4$ left after paying off his debt. How much did he make by washing cars?

\begin{equation}x-9=4\end{equation}

6.

Mrs. T was given a raise of $\$5$ an hour, which brought her hourly wage to $\$12$. Solve an equation to determine Mrs. T's hourly wage before her raise?

\begin{equation}x+5=12\end{equation}

7.

Monica finished her race in 19 seconds, which was 8 seconds less than her practice time. Write and solve an equation to find her practice time.

\begin{equation}x-8=19\end{equation}