①25%x=200
②x+35%x=540
③x-78%x=8.8
④60%x+16=40
⑤35%x=700
⑥48%x+22%x=140
①x+30%x=3.9
②-0.5x=12.5%
③x×(1-15%)=47.6
x=5;
x-60% x=100.
x-30%x=14
①40%x=20
②1x-60%x=12
③18+120%x=30
①20%x-x=1
②x+25%x=4.8
③125%x-8=2
x+1.3x= 26 1.5x-1.5=1.5
1.8+0.2x=4 3.6÷1.5x=3