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

shayla says that one kilometer is equal to one million millimeters. is She correct? explain why?
If a pizza costs 2.85 to make and customer pays 8.95 how much profit have I made as a percentage
I need help on my English homework I have no
A circle has an area of 16 pie square meters.  What is the circumference of the circle?  Please show how to solve.  Thank you
a 40 pound box of apples costs $24. What. is the cost of 6 pounds of apples
How many hawksbill turtles are left in the world?
A swimming pool  20 m long and 10 m wide is surrounded by a deck of uniform width. The total area of the swimming pool and the deck is 704 m^2. Find the width o
A 36-tooth gear turns three times. It is connected to a 12-tooth gear. How many times does the 12-tooth gear turn?
How to convert 0.39 into a fraction?
What is x+y+4x-3x+2y+ 3y