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2x-y=3 and y=9-x in substitution methood​

2x-y=3 and y=9-x in substitution methood​
asked 27.8k views
4 votes
2x-y=3 and y=9-x in substitution methood​

asked
User Steve Lianoglou
by
7.7k points

1 Answer

0 votes

Answer:

By adding equation we get:

2x-y=3

x +y=9

______

3x=12

x=6

Explanation:

cut the positive and negative (y)

answered
User Nsantorello
by
8.2k points
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