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Solve the simultaneous equations by substitution x − y = 8, x + 4y = 13

Solve the simultaneous equations by substitution x − y = 8, x + 4y = 13
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10 votes
Solve the simultaneous equations by substitution x − y = 8, x + 4y = 13

User Pavel Alazankin
by
7.8k points

1 Answer

6 votes

Answer:

x = 9; y = 1

Explanation:

User Leomar De Souza
by
8.2k points
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