x + 54 = 58 + 42
x + 54 = 100
x = 100 - 54
x = 46
x + 54 = 58 + 42
x + 54= 100
x= 100- 54
x= 46
x + 54 = 58 + 42
x + 54 = 100
x = 100 - 54
x = 46
\(x+54=58+42\)
\(x+54=100\)
\(x=100-54\)
\(x=46\)
x + 54 = 58 + 42
x + 54 = 100
x = 100 - 54
x = 46
=> x = 46
x+54=58+42
x+54 =130
x =130-54
x =76
k nha phamthiminhtrang
x + 54 = 58 + 42
x + 54 = 100
x = 100 -54
x = 46
x + 54 = 58 +42
x +54 = 100
x = 100 - 54
x =46