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Mathematics, 01.10.2019 16:30 hailey200127
Which equation shows the substitution method being used to solve the system of linear equations?
x – y = 7
x = y + 3
a) x = (7 – x) + 3
b) x – (y + 3) = 7
c) (y + 3) – y = 7
d) x – y = y + 3
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Which equation shows the substitution method being used to solve the system of linear equations?
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