Question 828688
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x = hours at library
y = hours on lawns
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x + y = 25
4x + 8y = 164
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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 = hours at library = 9
y = hours on lawns = 16
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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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