How do you solve -5x - 4y = -48 and -3x + 2y = 2 using substitution? Algebra Systems of Equations and Inequalities Systems Using Substitution 1 Answer ali ergin Mar 12, 2016 x=4 Explanation: -5x-4y=-48" (1)" -3x+2y=2 " "2y=2+3x " "color(green)(2*)2y=color(green)(2*)(2+3x) color(red)(4y=4+6x) "use (1)" -5x-color(red)((4+6x))=-48 -5x-4-6x=-48 -11x=-48+4 -11x=-44 x=44/11 x=4 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 1271 views around the world You can reuse this answer Creative Commons License