-21(2x - 21) + 24(24 - 3х) - 29 = 30(г + 30) - 22(-3х - 22)

-21(2x - 21) + 24(24 - 3x) - 29 = 30(g + 30) - 22(-3x - 22)

-42x + 441 + 576 - 72x - 29 = 30g + 900 + 66x + 484

-114x + 988 = 30g + 966 + 66x

-114x + 988 = 66g + 966

66g = -114x + 988 - 966

66g = -114x + 22

g = (-114x + 22) / 66