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Solve each of the following systems of equations. Find all solutions.

(a)\( \begin{align*} x+y&=-1,\\ 3x &= 4-3y. \end{align*} \)

(b)\( \begin{align*} 3x - 4y + 2&=0,\\ 10 - 10y& = 10y - 15x. \end{align*}\)
 

 Apr 25, 2023
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1. (x,y) = (-4,3).

 

2. (x,y) = (8, 13/2).

 Apr 25, 2023

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