Which number would make this number sentence true?

2 answers:

Ivan3 years ago

8 0

C)15 cuz
(-) and (-) = (+)
(-) and (+)= (-)
(+) and (+)= (+)
(+) and (-)= (-)
So 12-(-3)= u can see the - and - so it’s gonna be a plus, so it converts into 12+3.. so you get 15

nlexa [21]3 years ago

4 0

Answer: 15

Step-by-step explanation: Take 12 and change the -3 to a regular 3.

(12 + 3 = 15.)

Whichever number in the question that’s bigger determines what integer it will have.

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Using addition rules, show how to add the two real numbers. 7 + (-14)

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Hello there! Using the rules of addition, we can identify that when adding a positive to a negative number, the result shifts toward the positive side but takes the sign of the greater number. It will be demonstrated in this problem to simplify how problems like this are solved:

Step 1: Rewrite the problem

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Step 2: Since we’re adding 7 to a negative number, that means the negative number decreases by the quantity it’s being added by.

This means we would have to really subtract 7 from 14 to get 7.

Step 3: Keep the sign of the greater number

Since 14 is greater than 7, we will keep the negative sign in accordance.

Step 4: Simplify

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Using the rules of addition, we will find that -14 + 7 = -7. If you need additional help, let me know and I will gladly assist you.

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