![\left[\begin{array}{cc}2&-1\\3&1\end{array}\right]](/tpl/images/0890/1603/de7e0.png)
= 2(1) - 3( - 1) =2 + 3 = 5 
= ![\left[\begin{array}{cc}4&-1\\1&1\end{array}\right]](/tpl/images/0890/1603/e7c62.png)
= 4(1) - 1(- 1) = 4 + 1 = 5 
= ![\left[\begin{array}{cc}2&4\\3&1\end{array}\right]](/tpl/images/0890/1603/501cf.png)
= 2(1) - 4(3) = 2 - 12 = - 10 
= 1 
= - 2 Solve the system by finding the determinants and using Cramer's Rule:
2x - y = 4
3x + y...
Mathematics, 12.11.2020 04:40 morganpl415
Solve the system by finding the determinants and using Cramer's Rule:
2x - y = 4
3x + y = 1
Answers: 2
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