justinddc02
justinddc02 justinddc02
  • 14-09-2020
  • Mathematics
contestada

What is the value of y in the equation 5x + 2y = 20, when x = 0.3?

Respuesta :

brayanperez64b brayanperez64b
  • 14-09-2020

Answer:

9.25

Step-by-step explanation:

5(0.3) = 1.5

20-1.5=18.5

18.5÷2=9.25

Answer Link
Stephen46
Stephen46 Stephen46
  • 14-09-2020

Answer:

y = 9.25

Step-by-step explanation:

5x + 2y = 20

when x = 0.3 we have

5(0.3) + 2y = 20

1.5 + 2y = 20

Using the subtraction property subtract 1.5 from both sides of the equation

That's

1.5 - 1.5 + 2y = 20 - 1.5

2y = 18.5

Divide both sides by 2

[tex] \frac{2y}{2} = \frac{18.5}{2} [/tex]

We have the final answer as

y = 9.25

Hope this helps you

Answer Link

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