3 (x-2) - 2 (y+1) = - 16

5 (x+3) - 8 (y-2) = 13

Question

Математика

Дебон

3 июля, 05:31

3 (x-2) - 2 (y+1) = - 16

5 (x+3) - 8 (y-2) = 13

+1

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Дадвар · Answer 1

1) 3 (x-2) - 2 (y+1) = - 16

3x-6-2-y-2=-16

3x-8-2y=-16

3x=-16+8+2y

x=-8/3 + 2/3

2) 5 (x+3) - 8 (y-2) = 13

5x+15-8y+16=13

5x+31-8y=13

5x=13-31+8y

5x=-18+8y

x=-18/5+8/5

3 (x-2) - 2 (y+1) = - 165 (x+3) - 8 (y-2) = 13

3 (x-2) - 2 (y+1) = - 16

5 (x+3) - 8 (y-2) = 13