(1) 4x-20=16 (2) 3.2x-68=149.6
(3)5x+20=95 (4) 24x+8x=2176
(5) 5(1.2+x)=20.8 (6) 2(x+2.6)=13.6
(7) (x-12):3=7.9 (8) 8(x-12)=96
(9) 3.2x+15.2x=22.08 (10) 5x+29=159
(11) 4x=x+369 (12) 8x+12=60
(13) x+7.6=19.2 (14) 4x-2x=8.98
(15) 85-5x=20 (16) 8.5x-1.5x=87.5
(17) 9.8+3x=65 (18) X-2.5=7.25
(19) 3x-11.4=9.9 (20) 5.8X-5.5X=81
(21) 45+2x=27 (22) 5X+2.8=10.3
(23) 5x+17.2=30.8 (24) 12.5=8.9+x
(25) 56x-23x=39.6 (26) 5X+1.5=3x+9.9
(27) 1.2x-1.2=36 (28) 2x-25=79
(29) 3x-99=12 (30) 7x+1.4=4.9
(31) 6x+3.6=5.4 (32) 36x-68.4=0
(33) 44x-44=44 (34) 5x+98=109
(35) 65x-25x=100 (36) 2x-33=100
(3(2x一4) 9解方程37) 5x+16=99 (38) 5x-45=12.8
(39)14+2x=78 (40) 7x-4X-21=21
(41) 86-12-x=18 (42) 5x-1.5=31
(43) 5x+2.9=20.5 (44) 3x=9.8-0.8
(45) 27+3x=96 (46) 5x-45=36
(47) 3x+2x=29 (48) 5x+24=98.3
(49) 2x+24=87 (50) 105-2x=59
(51) 45-5x=9.9 (52) x+16+12=85
(53) 3X-3.9=11.1 (54) 82-52-4x=10
(55) 5.5X+34.5=7x (56) 4x:3=7.4
(57) 2.8X+350.4=32x (58) 66x+3.6x=187.2
(59) 1.5X+12.5=4x (60) 46x-32x=196
(61) 91.7-X=1.4 (62) 3x+42:3=26
(63) 33.6:X=0.3 (64) 14+4x=76
(65) X-0.5=5.7 (66) 111-5x=70
(67) 110-5x=38 (68) 5x+45=250
(69) 7(x-12)=84 (70) x-55.7=79.4
(71) 78+2x=26 (72) x:0.8=45
(73) (x-16)-45=52 (74) 3x-89=1
(75) x:10+25=21 (76) 3x+8.1=36
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