1) x+2x+3x=72
6x=72
x=12
1*12=12
2*12=24
3*12=36
2) x+2x+4x=35
7x=35
x=5
1*5=5
2*5=10
4*5=20
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1) x+2x+3x=72
6x=72
x=12
1*12=12
2*12=24
3*12=36
2) x+2x+4x=35
7x=35
x=5
1*5=5
2*5=10
4*5=20