Question

What is the value of x?



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X=

Answer 1

12=X 
4x-10=5x-22
     +22     +22
4x+12=5x
-4x      -4x
12=x

Answer 2

4x + 3x + 5x = 12x
-10 -22 = -32 + 2 = -30
12x - 30 + 180
       + 30  + 30
12x = 210
210/12x = 17.5
I think