Question about Office Equipment & Supplies
...=30/ =6/ 3/10 =12/ =30/ =6/ You can use cross multiplication to get the equations: 3x = 120 3x = 300 3x = 60 And then you can solve for x to get: 3/10 = 12/40 = 30/100 = 6/20 Cross ...
Question about Texas Instruments Office Equipment & Supplies
...solve an equation like 8(3x-5)-4=4x-10 where i have something on both sides of the = sign on a TI 82? The easiest solution would be to move the variable to only one side. This is not that difficult. ...
...3x -2x = -10 -15-5x = -25x = -25/-5x = 5 First factor out ...
...3x+4y+5z = 7 4x+3y+2z = 9 -5x+5y+3z = -10 Go to your matrix button and enter a "3x4" matrix. Then enter it as follows: -3 4 5 7 4 3 2 9 -5 5 3 -10 Then exit out and go to "2nd->matrix->math->rref(". ...
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