Question 825552:  y=4x+13 
2x-2y=-8 
 Answer by TimothyLamb(4379)      (Show Source): 
You can  put this solution on YOUR website! --- 
y=4x+13 
2x-2y=-8 
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put the system of linear equations into standard form 
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4x-y=-13 
2x-2y=-8 
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copy and paste the above linear system in standard form into this matrix-method solver: 
https://sooeet.com/math/system-of-linear-equations-solver.php 
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solution: 
x = -3 
y = 1 
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system matrix 
4 -1 
2 -2 
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inverse of system matrix 
0.33333333 -0.16666667 
0.33333333 -0.66666667 
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determinant of system matrix = -6 
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Solve and graph linear equations: 
https://sooeet.com/math/linear-equation-solver.php 
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Solve quadratic equations, quadratic formula: 
https://sooeet.com/math/quadratic-formula-solver.php 
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Solve systems of linear equations up to 4-equations 4-variables: 
https://sooeet.com/math/system-of-linear-equations-solver.php 
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