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OpenStudy (anonymous):
The three Math Idol judges have been eliminating contestants all day! The number of one-step equations and two-step equations who have been eliminated today is equal to 610! If four times the number of one-step equations minus twice the number of two-step equations is equal to 340, how many one-step equations auditioned today?
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OpenStudy (kainui):
Lets call one step equations O and two step equations T. You know the total is O+T=610, right? So far so good, can we make any other formulas out of the problem given? If 4O-2T=340 Now we can use substitution to solve for O!
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