Question

In the following exercise, simplify each expression.

$-17+\left(-18\right)+6$

Short answer

The simplified value is$-29$.

Step-by-step solution

Step 1. Concept Used.  

According to subtraction property, the subtraction of a number is equal to the addition of its opposite. This can be expressed as follows.

$a-b=a+\left(-b\right)$

Step 2. Calculation. 

• Add $-17$and $-18$.
• Add the result with 6.

$\begin{array}{rcl}-17+\left(-18\right)+6& =& -17-18+6\\ & =& -35+6\\ & =& -29\end{array}$

Step 3.  Conclusion. 

The value of the given expression is$-29$.