+15 + -20=
+15 + -20= -5
this can also be expressed as 15-20, which equals -5
so, +15 + -20=-5
+15+(-20)=15-20= -5
To solve the addition problem of "+15 + -20", you can follow these steps:
Step 1: Take the two numbers you want to add, in this case, +15 and -20.
Step 2: Recognize that the plus sign (+) in front of 15 indicates a positive value, while the minus sign (-) in front of 20 indicates a negative value.
Step 3: Add the two numbers together. When adding positive and negative numbers, think of it as combining integer values. In this case, +15 + -20 can be thought of as "adding 15 and subtracting 20" or "subtracting 20 from 15".
Step 4: Perform the subtraction. Subtract 20 from 15: 15 - 20 = -5.
Step 5: The result is -5. Thus, +15 + -20 equals -5.
So, the solution to the problem "+15 + -20" is -5.