Solve using elimination.

5x + 4y = 8

-5x 3y = - 1

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5x + 4y = 8

-5x + 3y = - 1

Let's add both equations, to eliminate x.

5x + 4y - 5x + 3y = 8 - 1

7y = 7

y = 1

Let us substitute this value of y in equation 1, so we can find x.

5x + 4 = 8

5x = 4

x = 4/5