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21-07-2017
Mathematics

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6x+3y=12 6x+5y=6c system of equations

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22-07-2017

{6x+3y=12
{6x+5y=6
---------------
-2y = 6
y = -3

6x + 5y = 6
6x + 5(-3) = 6
6x - 15 = 6
6x = 6 + 15
6x = 21
x = 21/6 = 3.5

Answer: x=3.5, y=-3

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