<PRE><B>Question 825481</B>
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x = father
y = son
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x - 2 = 3(y - 2)
2(x + 2) = 5(y + 2)
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put the system of linear equations into standard form
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x - 2 = 3y - 6
2x + 4 = 5y + 10
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x - 3y =  -4
2x - 5y  = 6
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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 = father = 38
y = son = 14
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system matrix
1 -3
2 -5
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inverse of system matrix
-5 3
-2 1
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determinant of system matrix = 1
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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</PRE>