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OpenStudy (andrewv):
2x-30=x+15
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OpenStudy (anonymous):
get x by itself by adding/subtracting/ and/or dividing
OpenStudy (across):
Let \(x=45\). Then\[2x-30=x+15\Longrightarrow2(45)-30=45+15\Longrightarrow90-30=45+15\Longrightarrow60=60\]YAY!
OpenStudy (anonymous):
45
OpenStudy (andrewv):
thanks all
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