Im struggling hard to understand subtracting negative numbers.
some of it i understand, some i don't.
)=12, how is this positive 12?
-)=5, how is this positive 5?
,-)=-13,how is this negative 13?
i thought when the bigger number is negative you go toward it's direction, so negative 4 back towards the right to -8 which makes it negative -4? can someone explain this in detail as much as you can? i really need the

step-by-step explanation:

if you want to solve percent error follow these steps.

1. subtract the accepted value from the experimental value.

2. take the absolute value of step 1.

3. divide that answer by the accepted value.

4. multiply that answer by 100 and add the % symbol to express the answer as a percentage.

if you want to solve percent of change just do this.

1. work out the difference (increase) between the two numbers you are comparing.

2. divide the increase by the original number and multiply the answer by 100. if your answer is a negative number then this is a percentage decrease.

hope this : )

answer:

step-by-step explanation: