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kolezko [41]
3 years ago
10

You buy the same number of brushes, rollers, and paint cans. Write an expression in simplest form that represents the total amou

nt of money you spend for
painting supplies... Brush cost $3.99, Paint cost $21.79 and Paint roller cost $6.89
Mathematics
1 answer:
Soloha48 [4]3 years ago
3 0

If you buy ' N ' of each item, then you'll pay  3.99N  for brushes,
21.79N  for cans of paint, and  6.89N  for rollers.

The question assures us that you bought the same number of
each item.  So your total bill at the hardware store checkout is

                      3.99N + 21.79N + 6.89N

                 =  N (3.99 + 21.79 + 6.89)

                 =        32.67 N .
 

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mina [271]
Remember

we can do anything to an equation as long as we do it to both sides

try to isolate the variable

you have 2 types
x+b=c
x/b=c

fior the first type, minus b from both sides to get
x=c-b

for the second, multiply both sides by b to get rid of the fraction to get
x=cb

also remember that -x times -1=x



b.add 25 to both sides
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multiply -1
a=-20


c.
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multiply both sides by 8
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mutiply -1
t=32

d. -n/-5=-30
mulitply both sides by -5
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multiply both sides by -1
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e. multiply both sides by 12
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4 0
3 years ago
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Answer:

Step-by-step explanation:

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