Mathematics, 15.11.2019 23:31, masonorourke

explain how system 1 becomes equivalent to system 2.

system 1:
ax + by = c
lx + my = n

system 2:
ax + by = c
(a − l)x + (b − m)y = c − n

the first equation in system 1 is the sum of the equations in system 2. the second equation in system 2 is the first equation in system 2.

the first equation in system 1 is the difference of the equations in system 2. the second equation in system 1 is the first equation in system 2.

the second equation in system 2 is the sum of the equations in system 1. the first equation in system 2 is the first equation in system 1.

the second equation in system 2 is the difference of the equations in system 1. the first equation in system 2 is the first equation in system 1.

Answers: 1

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explain how system 1 becomes equivalent to system 2.

system 1:
ax + by = c
...