d) x + 2022/5 - x + 2022/ 3 = x/2 + 1011 .
Giải thích
d) x+20225−x+20223=x2+1011
x+20225−x+20223=x2+20222
x+20225−x+20223=x+20222
x+20225−x+20223−x+20222=0
x+2022.15−13−12=0
x + 2022 = 0 (vì 15−13−12≠0)
x = –2022.
Vậy x = –2022.
d) x+20225−x+20223=x2+1011
x+20225−x+20223=x2+20222
x+20225−x+20223=x+20222
x+20225−x+20223−x+20222=0
x+2022.15−13−12=0
x + 2022 = 0 (vì 15−13−12≠0)
x = –2022.
Vậy x = –2022.