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4) -6x + 5y = 1 6x + 4y=-10
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3 votes
4) -6x + 5y = 1
6x + 4y=-10

User Shibi
by
7.8k points

1 Answer

3 votes

Answer:

(-1,-1)

Explanation:

-6x + 5y = 1

6x + 4y=-10

Add the two equations together

-6x + 5y = 1

6x + 4y=-10

-----------------------

9y = -9

Divide each side by 9

9y/9 = -9/9

y = -1

Now find x

6x +4(-1) = -10

6x -4 = -10

Add 4 to each side

6x -4+4 = -10+4

6x = -6

Divide each side by 6

6x/6 = -6/6

x = -1

User Juergen Schulze
by
7.6k points
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