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?
Answer
520
330
660
510

Question

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?
Answer
		520
		330
		660
		510

nottim · Answer

First, make an equation.

nottim · Answer

With the given information.

anonymous · Answer

So your equations are $$3x-2y=87  and x+y=840$$

anonymous · Answer

sorry the first is equal to 870 not 87