3(4.5x-1.2)=7x+13.2

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3(4.5x-1.2)=7x+13.23(4.5x-1.2)=7x+13.23(4.5x-1.2)=7x+13.23(4.5x-1.2)=7x+13.213.5x-3.6=7x+13.26.5x=16

3(4.5x-1.2)=7x+13.2
3(4.5x-1.2)=7x+13.2

3(4.5x-1.2)=7x+13.2
3(4.5x-1.2)=7x+13.2
13.5x-3.6=7x+13.2
6.5x=16.8
x=168/65

6.5x=16.8 x=168/65