what are the solutions to the following system of equations?
y = x2 + 3x - 7
3x - y = -2

Question

what are the solutions to the following system of equations?
y = x2 + 3x - 7
3x - y = -2

mathslover · Answer

Put the value of y in the second equation.

mathslover · Answer

From equation 1 : $ y = x^2 + 3x - 7 $ 

Now, put this value of y at the place of y in the second equation. 

$3x - y = -2 \
3x - (x^2 + 3x - 7 ) = -2 $ 

Now, you can simplify this and obtain and equaton in single variable. Solve for x and then plug-in the value of x in the equation 1. Solve for y then!

anonymous · Answer

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