3(82+x)=471 (x-1.8)÷4=2.5 5(X-1.8)=1.7
3*82+3x=471 (x-1.8)÷4*4=2.5*4 5(X-1.8)/5=1.7/5
246+3x=471 x-1.8=10 X-1.8=0.34
246+3x-246=471-246 x-1.8+1.8=10+1.8 X-1.8+1.8=0.34+1.8
3x=225 x=11.8 x=2.14
3x/3=225/3
x=75
6(1.5+x)=13.8
6*1.5+6x=13.8
9+6x=13.8
9+6x-9=13.8-9
6x=4.8
6x/6=4.8/6
x=0.8