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anonymous

  • one year ago

Solve for y. x+a=yb I don't understand what I'm supposed to do?

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  1. butterflydreamer
    • one year ago
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    If you want to solve for "y", it means you want to make "y" the subject :) So we want to end up with something like y = .......... Since we have: yb = x + a What should we divide both sides by to get "y = ...." ?

  2. anonymous
    • one year ago
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    The answers are A) y=x+a-b B) y=-(x+a)/b C) y=(x+a)/b

  3. anonymous
    • one year ago
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    Divide which sides by y?

  4. butterflydreamer
    • one year ago
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    \[yb = x + a \] Therefore we know that "yb" means "y TIMES b" right? :) So if we want a "y" by itself, we need to divide BOTH sides by "b" and we'll end up with something that looks like this: \[\frac{ yb }{ b } = \frac{ x + a }{ b }\] On the left side of the equal sign the b's will cancel out and leave us with: \[y = \frac{ x+a }{ b }\]

  5. anonymous
    • one year ago
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    Oh! I get it now. Thank you

  6. butterflydreamer
    • one year ago
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    excellent! :) No worries!

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