3/4x-50%x=17.5
0.75x-0.5x=17.5
0.25x=17.5
x=17.5÷0.25
x=70
3/4x+50%x=17.5
0.75x+0.5x=17.5
1.25x=17.5
x=17.5÷1.25
x=14
8.5x+1.5=1000%
8.5x=10-1.5
8.5x=8.5
x=8.5÷8.5
x=1
3/4x-50%x=17.5
0.75x-0.5x=17.5
0.25x=17.5
x=17.5÷0.25
x=70
3/4x+50%x=17.5
0.75x+0.5x=17.5
1.25x=17.5
x=17.5÷1.25
x=14
8.5x+1.5=1000%
8.5x=10-1.5
8.5x=8.5
x=8.5÷8.5
x=1