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liubo4ka [24]
3 years ago
13

HELP i need help solving 5x+(3x-4/5)=12

Mathematics
2 answers:
pav-90 [236]3 years ago
8 0

Answer:

x=\frac{8}{5}

Step-by-step explanation:

We have been given an equation 5x+(3x-\frac{4}{5})=12. We are asked to solve the given equation.

First of all, we will remove parentheses as:

5x+3x-\frac{4}{5}=12

Now, we will combine like terms.

8x-\frac{4}{5}=12

Upon adding \frac{4}{5} on both sides of equation, we will get:

8x-\frac{4}{5}+\frac{4}{5}=12+\frac{4}{5}

8x=12+\frac{4}{5}

Now, we need to make a common denominator.

8x=\frac{60}{5}+\frac{4}{5}

8x=\frac{60+4}{5}

8x=\frac{64}{5}

Our last step is to divide both sides by 8 as:

\frac{8x}{8}=\frac{64}{5\cdot 8}

x=\frac{8}{5\cdot 1}

x=\frac{8}{5}

Therefore, x=\frac{8}{5} is the solution of our given equation.

Natali [406]3 years ago
6 0

Answer:

x=7/5

Step-by-step explanation:

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5 0
3 years ago
The height of Mountain P is 1,086 feet.The height of Mountain Q is 4 times the height of Mountain P.The area model shown below r
earnstyle [38]

Answer:

A=4000, B=80, C=24

Step-by-step explanation:

You forgot to put the correct area model, I attached it to the answer.

We have the fact that Mountain Q is 4 times the height of Mountain P. That's the "4" we have in the left side of our model. It's like having a multiplication table, next to the "4" we have "A" and upper this we have "1000", the only thing we have to do is multiplify 4*1000=4000. The next letter we have is B and below it we have "320", we divided it by 4, 320/4=80. The last letter we have is C, and is below a "6", we only have to multiplify it by 4, 6*4=24.

At the end we only sum our

  • A + 320 + c = 4344 (4 times the height of Mountain P).
  • 1000 + B + 6 = 1086(the height of the Mountain P).

8 0
3 years ago
Mr. Rodriguez has only $62.50 to spend at a clothing store. He wants to buy a shirt that costs $35, including tax and some brace
BARSIC [14]

Answer:

  • 5 bracelets

Step-by-step explanation:

Part A

  • 35 + 5.50x = 62.50

Part B

  • 5.50x = 62.50 - 35
  • 5.50x = 27.50
  • x = 27.50/5.50
  • x = 5
7 0
2 years ago
Which expression has the same value as Negative 18 divided by (negative 9)?
Mandarinka [93]

Answer:

The answer is 36/18.

Hope this helps.

5 0
3 years ago
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Answer:

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Step-by-step explanation:

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