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25 votes
Solve by substitution
x=1+6y, x+2y=9

User Sharry
by
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1 Answer

4 votes

x = 1 + 6y

x = 9 - 2y

1 + 6y = 9 - 2y

8y = 8

y = 1

x = 8

User Robert Kovac
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