Unknown variable on TI - 83 plus?

1 ⤊

how do I get the answer for an unknown equation, like 5 +3x - 2(x - 4) = 8x - 7x?
x = ?

on a TI -83 plus calculator

2006-10-30 09:29:39 · 3 answers · asked by mr.jeremy 2 in Science & Mathematics ➔ Mathematics

5 + 3x - 2(x - 4) = 8x - 7x
5 + 3x - 2x + 8 = x
x + 13 = x
0x = 13
x = 13/0

x = unknown

2006-10-30 11:21:43 · answer #1 · answered by Sherman81 6 · 1⤊ 0⤋

The TI-83 plus won't be able to calculate this. If there was a Y variable, then you might be able to find the zeros for X and Y.

2006-10-30 09:38:07 · answer #2 · answered by ddnguyen9 3 · 0⤊ 0⤋

u can't. it would be too easy on tests, and if a calculator has that function it will most likely be banned for school and test use.

2006-10-30 09:31:12 · answer #3 · answered by Anonymous · 0⤊ 0⤋