x/2 + 4 = 3x/2 + 1 3x/2 - x/2 = 4 - 1 x = 3

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x/2 + 4 = 3x/2 + 1 3x/2 - x/2 = 4 - 1 x = 3

x/2 + 4 = 3x/2 + 1 3x/2 - x/2 = 4 - 1 x = 3
x/2 + 4 = 3x/2 + 1 3x/2 - x/2 = 4 - 1 x = 3

x/2 + 4 = 3x/2 + 1 3x/2 - x/2 = 4 - 1 x = 3
x/2 + 4 = 3x/2 + 1
移项:
-3x/2 + x/2 = -4 + 1
合并同类项:
(-3/2 + 1/2)x = - 3
-x = - 3
x = 3