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Diano4ka-milaya [45]
3 years ago
8

-5n+3(6+7n) How do you simplify this?

Mathematics
1 answer:
SpyIntel [72]3 years ago
6 0

Answer:

16n + 18

Step-by-step explanation:

-5n + 3(6 + 7n)

Distributing the 3 over the parenthesis:-

= -5n + 3*6 + 3*7n

= -5n + 18 + 21n

= 16n + 18

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A book has 150 pages and you read 3 pages per day.after a certain number of days,there are 60 pages left.write an equation to sh
kotegsom [21]

3x+60=150 can be used to determine the number of days you read. Solving the equation determines that you have been reading for 30 days.

Step-by-step explanation:

Total pages = 150

Pages per days = 3

Pages left to read = 60

Let,

x be the number of days.

According to given statement;

Total pages = Pages per day*number of days + Pages left to read

150=3x+60\\150-60=3x\\90=3x\\3x=90\\

Dividing both sides by 3

\frac{3x}{3}=\frac{90}{3}\\x=30

3x+60=150 can be used to determine the number of days you read. Solving the equation determines that you have been reading for 30 days.

Keywords: linear expression, division

Learn more about linear expression at:

  • brainly.com/question/3306327
  • brainly.com/question/3375830

#LearnwithBrainly

7 0
3 years ago
220x + 260y < 4,500 solve
Allisa [31]

Answer:

255-13y

x<_________

11

Step-by-step explanation:

4 0
3 years ago
7 twelveths divided by 2 fifths.
9966 [12]

Answer: 1 11/24

<u>Do Keep Change Flip (KCF)</u>

Keep: 7/12

Change: ÷ into ×

Flip: 2/5 into 5/2

Your new problem should be 7/12*5/2

<u>Multiply</u>

7/12*5/2=35/24

<u>Turn 35/24 into a Mixed Number (Dvide)</u>

35÷24 = 1 11/24

5 0
3 years ago
Verify a - (- b) = a + b for the following values of a and b.
bekas [8.4K]

23 - (-14) = 23 + 14 = <em><u>37</u></em>

128 - (-105) = 128 + 105 = <em><u>233</u></em>

5 0
4 years ago
If 5x = 30 then x is equal to
max2010maxim [7]

Answer:

6

Step-by-step explanation:

8 0
3 years ago
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