54+x=12+3x
X=21 =number of classes
Total amount she will pay is $75
<em>To solve for a variable, you just need to isolate the variable to one side.</em>
<h3>7.</h3>
For this, just divide both sides by r and <u>your answer will be 
</u>
<h3>8.</h3>
For this, divide both sides by nR and <u>your answer will be 
</u>
<h3>9.</h3>
Firstly, multiply both sides by T: 
Next, subtract FV on both sides of the equation: 
Lastly, multiply both sides by -1, and <u>your answer will be 
</u>
<h3>10.</h3>
Firstly, multiply both sides by 1000: 
Lastly, divide both sides by tc and <u>your answer will be 
</u>
Answer:
Freedom of the American people
broadened as a result of the Civil War.Freedom of the American people
broadened as a result of the Civil War.Freedom of the American people
broadened as a result of the Civil War.Freedom of the American people
broadened as a result of the Civil War.Freedom of the American people
broadened as a result of the Civil War.Freedom of the American people
broadened as a result of the Civil War.Freedom of the American people
broadened as a result of the Civil War.Freedom of the American people
broadened as a result of the Civil War.Freedom of the American people
broadened as a result of the Civil War.Freedom of the American people
broadened as a result of the Civil War.Freedom of the American people
broadened as a result of the Civil War.Freedom of the American people
broadened as a result of the Civil War.
Step-by-step explanation:
