mjhanlon7899
mjhanlon7899 mjhanlon7899
  • 24-03-2016
  • Mathematics
contestada

What is the value of x in the equation 3x –1/9 y = 18, when y = 27?

Respuesta :

Аноним Аноним
  • 24-03-2016
3x-1/9 y=18
if y=27
Then:
3x-(1/9)27=18
3x-27/9=18
3x-3=18
3x=18+3
3x=21
x=21/3=7

Answer: x=7
Answer Link
TSO
TSO TSO
  • 24-03-2016
3x - (1/9)y = 18

Plug in y = 27

3x - (1/9)27 = 18

3x - 27/9 = 18

3x - 3 = 18

3x - 3 + 3 = 18 + 3

3x = 21

x = 21/3

x = 7


x = 7 when y = 27
Answer Link

Otras preguntas

What inventions and technological advancements changed lives as part of the market revolution?
can anyone help me out with this graph ?
Which of the following is an irrational number? A. √254 B. 0.6 repeating C. 159÷7 D. √361
A pair of shoes that now sells for $63 has been marked up 40%. Find the mark up on the pair of shoes.
how did African Americans challenge segregation after world war 2?
Determine whether the figure is a right triangle. a right triangle contains one 90 degree angle. Justify your answer with slopes. ( question 16)
order from least to greatest 2.614,2.146,2.46,2.164
what numbers round up and down to 600
Substitution methode: y=2x-5 4x-y=7 I thought you do it like this: 4x-2x-5=7 2x-5=7 2x=12 x=6 But that's not right.. What did I do wrong?
The Mahabharata and the Ramayana were two epic poems from this civilization.