-4x+9y=-71; 3x-y=13 and -2x+3y=9; -4x+6y=18
Also, can you show you work so I can understand. Thank you.© BrainMass Inc. brainmass.com October 10, 2019, 4:58 am ad1c9bdddf
Methods of substitution:
From (II), y=3x-13 (III), plug into (I):
Plug x=2 into (III):
Therefore, the solution ...
The solution provides detailed explanation how to use substitution and elimination to solve linear equations.