Solve system of equations by elimination. Show all your steps. - 3x + 5y = -11
3x + 7y = -1

Ineed i do not understand i'm only 8

Question 101 points)which equation in slope-intercept form represents the line that passes through (5, 1) and(-4,7)

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem