oziellopez505
oziellopez505 oziellopez505
  • 21-05-2021
  • Mathematics
contestada

help me plzzzzzzzzz
solve for x

help me plzzzzzzzzz solve for x class=

Respuesta :

Аноним Аноним
  • 21-05-2021

Answer:

[tex]7) \frac{x+20}{x}=\frac{46}{30}[/tex]

[tex]30(x+20)=46x[/tex]

[tex]30x+600=46x[/tex]

[tex]46x-30x=600[/tex]

[tex]16x=600[/tex]

[tex]x=75/2[/tex]

[tex]x=37.5[/tex]

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

[tex]8) \frac{10}{3x+1} =\frac{22}{7x-1}[/tex]

[tex]10(7x-1)=22(3x+1)[/tex]

[tex]70x-10=66x+22[/tex]

[tex]70x-66x=22+10[/tex]

[tex]4x=32[/tex]

[tex]x=\frac{32}{4}[/tex]

[tex]x=8[/tex]

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

hope it helps...

have a great day!!

Answer Link

Otras preguntas

There would be no water supply tomorrow at home. How much water should be stored for tomorrow? Why do you emphasize on estimation then?​
essay of poverty 500 words​
The chart below shows some information about two scientists. Name of Details about scientist Views about the solar system scientist Nicholaus Studied Aristotle'
Samuel worked 1/4 of a day on Tuesday and 3/8 of a day on Wednesday. Which of these represents the fraction of a day he spent working on both days?
In the case study about the Federal Reserve, Ron Paul argues that: A.the Federal Reserve helped the U.S. economy survive the financial crisis of 2007-2009. B.ch
Explain the meaning of the scale 1 :2.5
Check the spelling of the three-paragraph descriptive essay below.
The power, P (watts), of a car engine is proportional to the square of itsspeed, s(m/s). When s=25, P=1800. Work out the speed (to 1 DP) when the power is 2000
sources of local government​
HELP!!!!!!!!!!!!!!!!!!!!