Algebra Unit 2 - Study Guide

Is there a mistake on the equation solved? If so where was the mistake made?

Translate this sentence

eight less than three times a number is twenty two

Translate the following:

Three times the difference of a number and nine is seventy-two.

**Use n as your variable and no spaces.*

(a)  

Seven more than twice a number n is 1.

(Don't put any spaces in your answer and use n as the variable .)

(a)  

 $\frac{3n\ -2}{5}=\frac{7}{10}$  

 $\frac{2\left(3n-4\right)}{7}=10-n$  

 $\frac{2a+1}{9}=\frac{12-7a}{6}$  

What three consecutive integers have a sum of 81?

(To answer, write only the numbers separated by a "comma")

(a)  

Three consecutive odd integers have a sum of 369. What is the smallest integer?

What is step 4