ParkBomi11
ParkBomi11
06-09-2016
Mathematics
contestada
Solve for X and check the solution.
-2x=4x+9
Respuesta :
janharder
janharder
06-09-2016
-2x=4x+9 |-4x
-6x=9 |:(-6)
x=-1,5
Check:
-2*-1,5=4*-1,5+9
3=-6+9
3=3
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