1,6x+1.6*5=4*4.5-4*0.6x
1.6x+8=18-2.4x
1.6x+2.4x=18-8
4x=10
x=10/4=2.5
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1,6x+1.6*5=4*4.5-4*0.6x
1.6x+8=18-2.4x
1.6x+2.4x=18-8
4x=10
x=10/4=2.5