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# Hello i really need help could you please stop by and help me?

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i need help on this problem.

Find the ordered pair$$(x,y)$$  that satisfies the system of equations

\begin{align*} x+3y &= -4,\\ 3x -7y &= 36. \end{align*}

Jun 19, 2020
edited by Creampuff  Jun 19, 2020

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Subtract 3y from the first equation to get x = -3y - 4

Substitute x into the second equation to get -9y - 12 - 7y = 36

Simplify: -16y - 12 = 36   -->   -16y = 48   -->   y = -3

Solve for x using the first equation: x = 9 - 4 = 5