Medium · Systems of Linear Equations

Medium Systems of Linear Equations Questions

This page lists the 10 medium-difficulty questions on Systems of Linear Equations, one row per record in the site's question bank (data/questions.json), with each question's score band.

By score band: 500-600 4 of 10, 600-700 6 of 10. The Systems of Linear Equations topic page carries all 25 questions on this topic; the other difficulty hubs are easy, medium and hard.

Question	Band
If 5x + 5y = 30 and 4x - 3y = 24, what is the value of x + y?	500-600	Open
If 5x + 5y = -25 and 2x - 4y = -10, what is the value of x + y?	500-600	Open
If 3x + 5y = -11 and 1x - 5y = 3, what is the value of x + y?	500-600	Open
If 1x + 4y = -21 and 4x + 5y = -40, what is the value of x + y?	500-600	Open
If 5x + 2y = -40 and 1x + 5y = -31, what is the value of x + y?	600-700	Open
If 3x + 5y = -10 and 5x - 3y = 40, what is the value of x + y?	600-700	Open
If 1x + 4y = -5 and 2x - 2y = -10, what is the value of x + y?	600-700	Open
If 3x + 1y = 3 and 4x - 5y = -34, what is the value of x + y?	600-700	Open
If 4x + 1y = 26 and 1x + 5y = 35, what is the value of x + y?	600-700	Open
If 5x + 4y = -31 and 2x + 3y = -18, what is the value of x + y?	600-700	Open