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Resolver el sistema x-y =6 y este otro 2x+5y= -2 porfaaaa es para mañana

User Keila
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1 Answer

24 votes
24 votes

Answer:

x =4

y = -2

Explanation:

a) x - y = 6

b) 2x + 5y = - 2

a) x = y + 6

b) 2(y+6) + 5y = -2

2y + 12 + 5y = -2

7y = -2 -12

y = -14/7

y = -2

a) x - (-2) = 6

x +2 = 6

x = 6-2

x = 4

User Knoothe
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