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 840! If three times the number of one-step equations minus twice the number of two-step equations is equal to 870, how many one-step equations auditioned today?

Question

anonymous · Answer

x represents one step equation
y represents two step equation
given
x+y=840 and
3x-2y=870

solving these equations
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