3 years ago

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

Mathematics

1 answer:

raketka [301]3 years ago

4 0

Answer:

By adding equation we get:

2x-y=3

x +y=9

______

3x=12

x=6

Step-by-step explanation:

cut the positive and negative (y)

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

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