How do you solve x-3y=-2, -2x+5y=-7x−3y=−2,−2x+5y=−7? Algebra Systems of Equations and Inequalities Systems Using Substitution 1 Answer Barney V. Jan 2, 2017 y=11,x=31y=11,x=31 Explanation: x-3y=-2, -2x+5y=-7x−3y=−2,−2x+5y=−7 x-3y=-2x−3y=−2.................1 -2x+5y=-7.............2 2x-6y=-4.....................3=1 xx 2 -y=-11............................=2+3 y=11 5x-15y=-10....................4=1xx5 -6x+15y=-21.............5= 2xx3 -x=-31...............................=4+5 x=31 substitute y=11,x=31 in 1 31-3(11)=-2 31-33=-2 -2=-2 Answer link Related questions How do you solve systems of equations using the substitution method? How do you check your solutions to a systems of equations using the substitution method? When is the substitution method easier to use? How do you know if a solution is "no solution" or "infinite" when using the substitution method? How do you solve y=-6x-3 and y=3 using the substitution method? How do you solve 12y-3x=-1 and x-4y=1 using the substitution method? Which method do you use to solve the system of equations y=1/4x-14 and y=19/8x+7? What are the 2 numbers if the sum is 70 and they differ by 11? How do you solve x+y=5 and 3x+y=15 using the substitution method? What is the point of intersection of the lines x+2y=4 and -x-3y=-7? See all questions in Systems Using Substitution Impact of this question 1428 views around the world You can reuse this answer Creative Commons License