How many solutions are there to the equation shown below?

7x + 12 = 5x – 8

80x^8−68x^6+16^5−20x^4−4x^3+8x^2

hope i'm right lol

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step-by-step explanation:

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step by step solution :

step   1   :

1.1     4 = 22

(4)3 = (22)3 = 26

equation at the end of step   1   :

  ((23) • 26)2

step   2   :

equation at the end of step   2   :

  (23 • 26)2

step   3   :

final result :

  218

ya

you can use a^2+ b^2=c^2