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Algebra 12 Online
OpenStudy (anonymous):

Why is 4 + (−3) equal to 1? a.Because it is 3 units to the right of 4 on a horizontal number line b. Because it is 3 units to the left of 4 on a horizontal number line c. Because it is 3 units to the right of 0 on a horizontal number line d. Because it is 3 units to the left of 0 on a horizontal number line @Preetha

OpenStudy (opcode):

@geny55 what exactly are you having trouble with?

OpenStudy (anonymous):

im having trouble with the question.

OpenStudy (anonymous):

and i dont know why its equal to one.

OpenStudy (opcode):

When plus and minus are next to each other it because subtraction. $$ 4 + (−3) \implies 4 - 3 \implies 4 - 3 = 1$$ Now all you have to do is put the into worded terms as the answer choices provide. Understand?

OpenStudy (anonymous):

so is the answer b. i dont know i guessed

OpenStudy (anonymous):

@Opcode

OpenStudy (anonymous):

hellooo, are u there?

OpenStudy (opcode):

Here is an example of a numberline: https://upload.wikimedia.org/wikipedia/commons/9/93/Number-line.svg Fine the number \(4\) and move to the number \(1\). Which direction did you move, and how many units did you move?

OpenStudy (anonymous):

oh so its b?

OpenStudy (opcode):

Yes, you are correct.

OpenStudy (anonymous):

yay!!!!! can u help me with other problems plz??

OpenStudy (opcode):

I will help you if I can, close this post and open a new post if you do not mind. :-)

OpenStudy (anonymous):

thats okay! i will tag you the question

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