Question

Simplify the expression.

$5x-9-x+2$

Short answer

Value of given expression is $4x-7$.

Step-by-step solution

Step 1.  Writing like terms together

$5x-9-x+2$

This can be written as

$5x-9-x+2=5x-x-9+2$

Step 2.  Combining like terms 

Combining like terms, we get,

$\begin{array}{c}5x-9-x+2=4x-9+2\\ 5x-9-x+2=4x-7\end{array}$

Step 3.  Conclusion

Therefore, the value of given expression is $4x-7$.