Mathematics
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Substitution method X = 4 2x - 3y = -19

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(2) Answers
maria169

2(4)-3y=-19 8-3y=-19 -3y=-27 y=9

lyssie11234

[latex]\left\{\begin{array}{ccc}x=4\\2x-3y=-19\end{array}\right\\\left\{\begin{array}{ccc}x=4\\2\cdot4-3y=-19\end{array}\right\\\left\{\begin{array}{ccc}x=4\\8-3y=-19\end{array}\right\\\left\{\begin{array}{ccc}x=4\\-3y=-19-8\end{array}\right\\\left\{\begin{array}{ccc}x=4\\-3y=-27&/:(-3)\end{array}\right\\\left\{\begin{array}{ccc}x=4\\y=9\end{array}\right[/latex]

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