6x-4×6=24
6x-24+24=24+24
6x=48
6x÷6=48÷6
x=8
3×5+5x=30
5x+15-15=30-15
5x=15
5x÷5=15÷5
x=3
0.4x-4×51=60.4
0.4x-204+204=60.4+204
0.4x=264.4
0.4x÷0.4=264.4÷0.4
x=661
6x-4×6=24
6x-24+24=24+24
6x=48
6x÷6=48÷6
x=8
3×5+5x=30
5x+15-15=30-15
5x=15
5x÷5=15÷5
x=3
0.4x-4×51=60.4
0.4x-204+204=60.4+204
0.4x=264.4
0.4x÷0.4=264.4÷0.4
x=661