Question 822509
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x + y + z = 20
5x + 10y + 25z = 250
y = x - 2
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put the system of linear equations into standard form
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x + y + z = 20
5x + 10y + 25z = 250
x - y = 2
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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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answer:
x= nickels = 8
y= dimes = 6
z= quarters = 6
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Solve quadratic equations, quadratic formula:
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Solve systems of linear equations up to 6-equations 6-variables:
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