annaaaaaaaaaaaaaa annaaaaaaaaaaaaaa
  • 01-09-2020
  • Mathematics
contestada

what is the value of x in 3x+7y=27

Respuesta :

AnimeBrainly
AnimeBrainly AnimeBrainly
  • 01-09-2020

Answer:

[tex]x = \frac{-7y}{3} +9[/tex]

Step-by-step explanation:

Note the equal sign, what you do to one side, you do to the other side. Do the opposite of PEMDAS. Isolate the variable, x.

PEMDAS is the order of operation, and =

Parenthesis

Exponents (& Roots)

Multiplication

Division

Addition

Subtraction

~

First, subtract 7y from both sides:

3x + 7y (-7y) = 27 (-7y)

3x = -7y + 27

Next, divide 3 from all terms on both sides:

(3x)/3 =  (-7y + 27)/3

x = (-7y/3) + 9

[tex]x = \frac{-7y}{3} +9[/tex]

Answer Link

Otras preguntas

what molecules are responsible for providing the activation energy?
what is blank verse? a. poetry without rhyme or meter b. unrhymed poetry written in iambic pentameter c. poetry with rhyme but no meter d. rhymed poetry written
what is the most common gas in the atmosphere
I need help on the part where it says devonte
The skeletal system, the muscular system, and the nervous system all work together. Explain one link between the skeletal system and the muscular system, betwee
How is security handled in free market
where is the area around 54°40’
why might location be important when searching for a job?
the color that is bent the least by a prism is _____. violet blue yellow red
A company projects its growth with the function g(t) = 3t + 1000, where g stands for growth and t stands for time. What are the coordinates of the y-intercept?