Помогите пожалуйста решить уравнения :
a)4x-5,5=5x-3(2x-1,5)
b)4-5(3x+2,5)=3x+9,5
C)5 (2+1,5x)-0,5x=24
d)3(0,5x-4)+8,5x=18
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