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Mathematics 9 Online
OpenStudy (anonymous):

. Solve. x – 6 = –18 x = –24 x = –12* x = 12 x = 6 WILL GIVE MEDAL FOR CORRECT ANSWER!

OpenStudy (mathstudent55):

What is happening to x? 6 is being subtracted from it. To undo that, you must add 6. The rule is that in an equation, you need to do the same to both sides. Add 6 to both sides of the equation.

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