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23 votes
23 votes
What should be done to solve the following equation?

x - 9 = 13

Add 9 to both sides of the equation.
Subtract 9 from both sides of the equation.
Subtract 13 from both sides of the equation.
Add 9 to the left side of the equation.

User Tequila Slammer
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3.3k points

2 Answers

7 votes
7 votes
add 9 to both sides. if you’re trying to find x you need to isolate it and in doing so you have to reverse the -9 by adding 9
User Prabhakaran
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3.0k points
11 votes
11 votes
if you are trying to find x, you add nine to both sides of the equation.
User Jeffrin John
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3.0k points