dakevajames2 dakevajames2

11-08-2020
Mathematics

contestada

Is 7 a solution of 5x - 3 = 12?

Respuesta :

11-08-2020

Answer:

no

Step-by-step explanation:

5x - 3 = 12

5x=12+3

x=15/5=3

x=3

substitute x with 7 to find if it is a solution :

5(7)-3=12

35-3 ≠12 ( so no 7 is not a solution)

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