Examine this system of equations. which is an equivalent form of the first equatic eliminates the x terms? 8x+3y=9 o -8x + 6y = -180 8x - y = 180 -8x + 3y = -90 8x – 3y = 90

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)