Question #c419f Precalculus Matrix Row Operations Solving a System of Equations Using a Matrix 1 Answer A. S. Adikesavan Mar 13, 2016 x = ln c / ( a - b ) Explanation: e^((a-b)x) = c Use ln e^n = n This is valid for any c > 0. e^(kx) > 0, for all k and x. Answer link Related questions How do I use matrices to solve the system 2x+3y=4 and 5x+8y=11? How do I solve a system of equations using an augmented matrix? How do I solve a system of 3 equations with a matrix? How do I solve a system of equations using inverse matrices? How do I solve a system of 2 equations using a matrix? How do I use matrices to find the solution of the system of equations 3x+4y=10 and x-y=1? How do I use matrices to find the solution of the system of equations c+3d=8 and c=4d-6? How do I use matrices to find the solution of the system of equations y=1/3x+7/3 and y=−5/4x+11/4? How do I use matrices to find the solution of the system of equations y=−2x+4 and y=−2x−3? How do I use matrices to find the solution of the system of equations y=−2x−4 and y+4=−2x? See all questions in Solving a System of Equations Using a Matrix Impact of this question 1685 views around the world You can reuse this answer Creative Commons License