Alexis G.

asked • 11/07/16

0.2(3b-15c)+6c

I don't get this

Arturo O.

What is your question?  To solve for something, you need a complete equation.  All you have so far is an expression.  Something is missing from the problem statement.  Do you want to solve for b in terms of c, or c in terms of b, or something else?
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11/07/16

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Al P. answered • 11/07/16

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If they didn't provide more information, I'm guessing they want you to "simplify" the expression (carry it as far as possible by combining like-terms, etc.):
 
    0.2(3b-15c) + 6c
= (0.2•3b-0.2•15c) + 6c    (distributed 0.2 into parenthesis)
= (0.6b - 3c) + 6c              (carried out indicated multiplications)
=  0.6b - 3c + 6c               (removed parenthesis, just showing details)
= 0.6b + 3c                       (combined -3c and +6c, reaching the answer)
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