X-6
As an expression it is: x-6
(6x)-17
To express "thirteen decreased by a number," you can use the variable ( x ) to represent the number. The phrase can be written mathematically as ( 13 - x ). This indicates that you are subtracting the value of ( x ) from thirteen.
4xy - 2xy
(x - 25)*4
2*(x-6)<-36 2x-12<-36
As an expression it is: x-6
125 - x.
6-4x
(6x)-17
If x is the unknown variable then it can be: x-16
4xy - 2xy
You could use: 2x-6 < -36
6x
(x - 25)*4
6n - 3n which simplifies to 3n.
3 - x