Q50.

Question

Find the value of each expression.

 

50. 8+-5

Step-by-Step Solution

Verified
Answer

The value of 8+-5 is 3.

1Step 1 – Description of step.

Write 8 as 3+5 into 8+-5.

 

3+5+-5

2Step 2 – Inverse property.

For any real number a, a+-a=0=-a+a.

3Step 3 – Apply inverse property.

Apply inverse property to the expression in step 1 and simplify.

3+0=3

Therefore, the value of 8+-5 is 3.