Question

解方程5分之3x=30% x-0.8=16 0.4*（x-12）=1.2

Answer 1

5分之3x=30%

3x = 1.5

x = 0.5

x-0.8=16

x = 16 + 0.8

x = 16.8

0.4*（x-12）=1.2

0.4x - 4.8 = 1.2

0.4x = 6

x = 15

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