<PRE><B>Question 826288</B>
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x = Jenny
y = Joshua
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x = 2y + 3
x = 27
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put the system of linear equations into standard form:
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x - 2y = 3
x = 27
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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 = Jenny = 27
y = Joshua = 12
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system matrix
1 -2
1 0
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inverse of system matrix
0 1
-0.5 0.5
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determinant of system matrix = 2
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Solve and graph linear equations:
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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 6-equations 6-variables:
https://sooeet.com/math/system-of-linear-equations-solver.php</PRE>