\(17x+81-72=910\)
\(\Leftrightarrow17x=910-81+72\)
\(\Leftrightarrow17x=901\)
\(\Leftrightarrow x=53\)
17x + 81 - 72 = 910
17x + 81 = 910 +72
17x + 81 =982
17x = 982 - 81
17x =901
x =901 : 17
x =53
kb nha!
17x+81-72=910
17x+81=910+72
17x+81=982
17x=982-81
17x=901
x=53
ủng hộ nha!!^_^