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

a. True b. False: If you are under the age of 18, your license can be suspended for six months to one year for the first offense.
Explain how birthrates and death rates influence the size of population.
Solve for n: 21k – 3n + 9p > 3p + 12.
what is the value of this expression 210/7-18+4*6-20 A)112 B)76 C)28 D)16
As the temperature of a liquid increases, the solubility of a gas in the liquid a. increases. b. decreases. c. stays the same. d. either increases or decrea
Let f(x) = x + 8 and g(x) = x2 − 6x − 7. Find f(g(2)). (1 point) −7 −3 10 33
Which letter salutation is correctly punctuated? A. Dear Madam. B. Dear Senator Crandall-- C. Dear Mr. Rubenstein; D. Dear Sir:
how can a mutation led to variation
Select the equation of the line that passes through the point (2, 6) and is perpendicular to the line x = 4. y = 4 y = 6 x = 6 x = 2
The completely unique nests of many birds can be used to identify the ____ who made it. A : Species B : individual bird C : family