simplified version of 7x – 5(9 – 3x) ≤ 3(x + 12) – 8x? thank u!

7x – 5(9 – 3x) ≤ 3(x + 12) – 8x?

7x-45+15x < = 3x+36 -8x

22x-45 < = -5x+36

22x+5x < = 36+45 = 81

27x <= 81

x < = 81/27 =3

x< = 3

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