Mathematics, 02.07.2019 01:20, eve2055

Explain how system 1 becomes equivalent to system 2.
system 1:
ax + by = c
lx + my=n
system 2:
(a + l)x + (8 + m)y = c+n
ax + by = c
a. the first equation in system 2 is the sum of the equations in system 1. the second equation in system 2 is the first equation in system 1.
b. the first equation in system 2 is the difference of the equations in system 1. the second equation in system 2 is the first equation in system 1.
c. the first equation in system 1 is the sum of the equations in system 2. the second equation in system 1 is the second equation in system 2.
d. the first equation in system 1 is the difference of the equations in system 2. the second equation in system 1 is the second equation in system 2.

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Explain how system 1 becomes equivalent to system 2.
system 1:
ax + by = c
lx + my=n...