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8 votes
8 votes
3x + 4y=25
4x - 4y=-4

User BCran
by
2.9k points

1 Answer

20 votes
20 votes

Answer:

3x+4y+4x-4y=25+(-4)

7x. =21

X=3

4y=25-9

4y=16

y=4

User Gohu
by
3.1k points