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OpenStudy (anonymous):
What is the value of x? 4x - 9 = 27 x= ____
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OpenStudy (anonymous):
add 9 to both sides, and divide by 4 to both sides.
OpenStudy (anonymous):
9
OpenStudy (anonymous):
You always want to have a postitive variable, so add 9 to both sides first. Then you have: 4x= 36. Then divide both sides by four, leaving you with the answer, x=9
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