kaylaschauman6117 kaylaschauman6117
  • 13-06-2022
  • Mathematics
contestada

Find the number a for which x=5 is a solution of the given equation.

x+8a=25+ax-7a

a=

Respuesta :

reinhard10158
reinhard10158 reinhard10158
  • 21-06-2022

Step-by-step explanation:

x + 8a = 25 + ax - 7a

x = 5

5 + 8a = 25 + 5a - 7a

5 + 8a = 25 - 2a

5 + 10a = 25

10a = 20

a = 2

Answer Link

Otras preguntas

Roosevelt's policy of 'speaking softly and carrying a big stick' enabled the U.S. to (A) build a large navy (B) become a world power (C) gain control over Korea
Identify the process that represents how organisms grow and replace old or damaged cell.
what is 1/3 + 7/12 x 4
Which of the following is not a result of heavy use of irrigation water? A. Leaching of nutrients B. Increase in salt concentration of the soil C. Increase in s
Angela earns x dollars an hour. On Friday, she worked 6 hours. On Saturday, she worked 8 hours. Which expression shows how much she earned both days ? A. 6x +
Which sense organs do reptiles use in finding prey?
-2x-y=-9 5x-2y=18 substitution
How do you use area on funny looking shape
With which of these positions would President Calvin Coolidge have agreed?
Analyze the political, diplomatic, and military reasons for the United States victory in the Revolutionary War. Confine your answer to the period 1775-1783.