15x-3=24
15x=27
x = 1,8
3(5x-1)=24
5x*3-1*3=24
15x=24+3
x=27/15
x= 1 12/15
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15x-3=24
15x=27
x = 1,8
3(5x-1)=24
5x*3-1*3=24
15x-3=24
15x=24+3
15x=27
x=27/15
x= 1 12/15