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grigory [225]
2 years ago
6

5+ -2x = 2x + -5 what is the steps

Mathematics
1 answer:
Vladimir [108]2 years ago
3 0
5+-2x=2x+-5
5=4x+-5 (add 2x to both sides)
10=4x (add 5 to both sides)
10/4=x (divide both sides by 4)
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1. La suma de dos números es 115. El número mayor es dos veces más 22 unidades que el otro. Hallar
Lerok [7]

De acuerdo con un sistema de ecuaciones, tiene-se que los números son 31 y 84.

----------------

  • En el sistema de ecuaciones, tiene-se que los números son x e y.
  • Suma de 115, o sea, x + y = 115
  • <u>El número mayor es dos veces más 22 unidades que el otro</u>, o sea, x = 2y + 22

----------------

Primero se encuenta el número menor, <u>reemplazando la segunda ecuación en la primera:</u>

x + y = 115

2y + 22 + y = 115

3y = 93

y = \frac{93}{3}

y = 31

----------------

El número mayor es dado en <u>función de el menor</u>, o sea:

x = 2y + 22 = 2(31) + 22 = 62 + 22 = 84

Los números son 31 y 84.

Otro problema resuelto por sistema de ecuaciones es dado en brainly.com/question/24637096

6 0
2 years ago
What is the value of 742 + 16/42
Shtirlitz [24]

Answer:

742,380952381 <em>OR</em> 31180/42

Step-by-step explanation:

16/42=0,380952381

742+0,380952381=742,380952381

<em>or</em>

(742*42)/42 + 16/42 = (31164+16) /42 = 31180/42

6 0
2 years ago
What is the perimeter of the triangle?<br> unit
FinnZ [79.3K]

Answer:

<h2>36 units</h2><h2></h2>

Step-by-step explanation:

perimeter of the given triangle = 16 + slant (10) + slant (10)

                                                   = 36 units  

(see image below)

7 0
3 years ago
Mary has $267 in her checking account. She writes checks for $33, $65, and $112. What is the balance in her account now?
nata0808 [166]

Answer:

267 - 112 - 65 - 33 = $57

Step-by-step explanation:

subtract to get the answer

5 0
3 years ago
Need help with this please!! The scatter plot shows the results of a survey in which 10 students were asked how many hours they
Anna11 [10]
5 students scored a 90 or above. If you look at the axis that says “test scores” just count the number of dots on the “90” line and above
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