Mathematics, 30.08.2019 09:30 125712
which equation shows the substitution method being used to solve the system of linear equations?
x + y = 6
x = y + 2
(points : 3)
x + y = y + 2
x + (y + 2) = 6
x = (x – 6) + 2
(y + 2) + y = 6
Answers: 2
in the first equation with 
from the other equation.
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which equation shows the substitution method being used to solve the system of linear equations?
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