Question 930167
x = jean age now
y = bob age now
z = mary age now
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x = y + 7
y = z + 3
x + y + z = 43
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put the system of linear equations into standard form
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x - y = 7
y - z = 3
x + y + z = 43
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copy and paste the above standard form linear equations in to this solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
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solution:
x = jean age now = 20
y = bob age now = 13
z = mary age now = 10
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Solve systems of linear equations up to 6-equations 6-variables:
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