haris785
haris785 haris785
  • 14-07-2016
  • Mathematics
contestada

If a+b-c=d, if a-b+c=e, then a= ?

Respuesta :

nataliemarie67060798 nataliemarie67060798
  • 14-07-2016
a + b = d+c 
a - b = e - c 
The b and c cancel out. 
2a = d+e 
a = (d+e)/2 

Answer Link

Otras preguntas

1. Buscamos un hotel que _____ (tener) piscina. 2. ¿Sabe usted dónde _____ (quedar) el Correo Central? 3. ¿Hay algún buzón por aquí donde yo _____ (poder) ech
Samir knows that the volume of a prism is 40 cubic units. He also knows that the width of the prism is 2 units and the height is 5 units What is the length of t
DNA in the nucleus carries the genetic code for making proteins in ribosomes. The diagram shows a model of DNA. Which part of the DNA molecule codes for the ami
Which definition of the word visage best fits the context of the above sentence?
What causes her feelings to change in the story Excerpt from summer Hawk
What is the value of x?
The amount of accounts receivable that is actually expected to be collected is known as the:a.uncollectible accounts expense. b.present value of accounts receiv
Which of any of these Equation shows the relationship between Kevin's age x and his mothers age Y choose all that are correct 3x-y=1 y-3x=1 3x+1=Y 3x=1-y
WILL MARK BRAINLIEST!!! HELP!​
A 95% confidence interval for the average salary of all CEOs in the electronics industry wasconstructed using the results of a random survey of 45 CEOs. The int