Answer and Step-by-step explanation:
To find all equations where x = 3 is a solution, solve all equations for x and see if it is equal to 3.
A. x - 3 = 0
x = 3
B. 1 + x = 2
x = 1
C. 9 - x = 3
x = 6
D. 6 = 2x
x = 3
E. [tex]\frac{1}{5} x = 3[/tex]
x = 15
F. [tex]x^2 = 9[/tex]
x = 3
A, D, and F are the answers.
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