You can put this solution on YOUR website!
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in order to substitute, you need to find out what one variable is equal to.
In this case it is easiest to get x by itself with the first equation by subtracting 2y from each side. When you do this, you get:
now you substitute this into the other equation.
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distribute the 3
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combine like terms
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subtract 12 from each side
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divide each side by -8
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now plug this into the first equation to find out what x is:
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so: ;
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Plug these values in to the original equation to check for accuracy.
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