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The 4 Unknown Calculator requires input to be in the form:
aW + bX + cY + dZ = e
Already loaded in the calculator are the 4 equations:
2W + 3X + 4Y - 5Z = -6
6W + 7X - 8Y + 9Z = 96
10W + 11X + 12Y + 13Z = 312
14W + 15X + 16Y + 17Z = 416
Click ENTER to find the answers.
Clicking the "RESET" button will clear ALL the boxes for you.
Now, enter the equations you want to solve.
Good luck.
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