I am using =(left(C1,1)=”x”,1,0+(LEFT(C1,Find(“x”,C1)-1)) to extract the first coefficient from formulas. This works for the first and second equations but not the third.
- 9x - 9y = 54 yields -9
x + y = -4 yields 1
- x - 7y = -33 yields #value
How can I adjust that to...