Question 823604
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x + y + z = 21
5x + 10y + 25z = 250
y = 2x - 5
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put the system of linear equations into standard form
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x + y + z = 21
5x + 10y + 25z = 250
2x - y = 5
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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 = 7
y= dimes = 9
z= quarters = 5
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Solve systems of linear equations up to 6-equations 6-variables:
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