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

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