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 was MacArthur’s role in the Korean War?
how to write 100,203 in standard form
what is 432,010.1 in word form and nine hundred forty-five and thirty-five hundredths in standard form and seventy-three thousand, eight hundred ninety and one
23,697 round to the nearest ten thousand
Non-intersecting lines that are separated by equal distances at every point can best be described as _____. a. adjacent b. parallel c. skew d. perpendicular
What is a list of events in the order in which they took place
Write a sentence that compares the values of the nines in the number 69.92.
what is the diameter of the geosphere
Which number is divisible by 3 and 5 a. 130 b. 325 c. 4113 d. 2040
A particular shade of paint is made by mixing 5 parts red paint with 7 parts blue paint. To make this shade, Shannon mixed 12 quarts of blue paint with 8 quarts