Seudónimo Seudónimo
  • 04-02-2021
  • Mathematics
contestada

Solve for a.
4/a+4 =-1/a+9

Solve for a 4a4 1a9 class=

Respuesta :

clarch19
clarch19 clarch19
  • 05-02-2021

Answer:

a = -8

Step-by-step explanation:

you can solve this proportion by cross-multiplying:

4(a + 9) = -1(a + 4)

now distribute to eliminate parentheses

4a + 36 = -1a - 4

5a + 36 = -4

5a = -40

a = -8

Answer Link

Otras preguntas

Need help with this math problem
In the last math test andrew answered 80% of all the questions correctly.If he answered 32 questions correctly, what was the total number of questions in the ma
Which term best describes the relationship between time and number of labels printed? A. double B. decreasing C. proportional
________ is an unpaid form of promotion. It can have positive and negative effects on the recipient. For example, when you log onto CNN and read that four auto
Descriptive paragraph about reading a book
Air is to be heated steadily by an 8-kW electric resistance heater as it flows through an insulated duct. If the air enters at 55°C at a rate of 2 kg/s, determi
. Do you agree with Thomas Jefferson’s belief that building the Erie Canal was “little short of madness” for the time? Why or why not?
Maxwell gathered and set up some general equipment for a patient. Which job does Maxwell most likely have?
round peas are dominate to wrinkled. what would you cross a round pea with to determine if it were heterozygous or homozygous dominate?​
When the volleyball rises in the air, what does the force of gravity cause the volleyball to do