Question

7 x + 5 y= 29
x - y + 2

Por favor resolva esses sistema
obrigaada

Answer 1

Ola Rios 

7x + 5y = 29
x - y = 2

y = x - 2
5y = 5x - 10

7x + 5x - 10 = 29
12x = 39

x = 39/12
y = x - 2
y = 39/12 - 24/12
y = 14/12 = 7/6 

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