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Recap week 9
math 2

Directions: Answer the questions.

How do we add integers?

What are the rules in adding integers?

What will be the sum of:

1. 12 + (-7) =

2. -13 + (-5) =

3. 7 + 5 =

4. 15+ (-9) =

5. ( -75) + 15 =​

Sagot :

Jacksawy291idn

Answer:

How do we add integers ?

• To add integers having the same sign, keep the same sign and add the absolute value of each number. To add integers with different signs, keep the sign of the number with the largest absolute value and subtract the smallest absolute value from the largest.

What are the rules in adding integers?

• Rule 1:

When the two integers have the positive sign, add the integers and assign the (+) sign to the sum.

Rule 2:

When the two integers have the negative sign, add the integers and assign the (-) sign to the sum.

Rule 3:

When the two integers have opposite sign [one positive (+) and other negative (-)], find the difference of the numbers and to the difference assign the sign of the integer having greater value.

What will be the sum of :

1.12 +(-7)

= 5

2.-13 + (-5)

= -18

3.7+5

=12

4.15+(-9)

= 6

5.(-75)+ 15

= -60

Step-by-step explanation:

Hope it helps

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