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OpenStudy (anonymous):
What is the value of x in the following equation: 3x + 21 - x = 2x + 20? 21 20 0 none of these
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OpenStudy (amoodarya):
3x + 21 - x = 2x + 20 first simplify then put variable in left side and number on the other side
OpenStudy (awesome781):
What I do is plug in the values for and if they equal each other, then that is the correct answer
OpenStudy (haseeb96):
3x+21-x=2x+20 21+2x=2x+20 it has no solution So D is the correct answer
OpenStudy (anonymous):
@Haseeb96 Thanks :)
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