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Liono4ka [1.6K]
3 years ago
12

What’s number one and how do You do it

Mathematics
2 answers:
Aliun [14]3 years ago
5 0
I'm assuming you mean #10?

So we're given this equation:

b - 5 = - 5

In this equation, we a variable of <em>b</em>. We want to solve for <em>b</em> by isolating it, or setting it alone. We see that on the side with <em>b</em> on it, it is being subtracted by 5. We want to the opposite in order to isolate <em>b</em>.

Remember that when you do one thing to one side of the equation, you must do it to the other side as well. We can add 5 on both sides to cancel out the negative 5 on the left.

b - 5 = -5&#10;&#10;add 5 on both sides&#10;&#10;b - 5 + 5 = -5 + 5&#10;&#10;simplify&#10;&#10;b = 0

Therefore we know that <em>b</em> does not equal -10, which can be represented as:

b  \neq  -10

So you have to (a) color the hair yellow.
Aleksandr [31]3 years ago
5 0
So the answer is (a). Because -10 - 5 = -15. So it's obviously not the letter (b), since your answer in this equation is supposed to be -5. The correct equation is : 0 - 5= -5. To find this answer you must do the equation that is contrary to the subtraction which is the addition. So, -5 +5 = 0.

Hope this helps you! :)
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