五级方程算式题

1、(0.5+x)+x=982-2(X+X+0.5)=98 25000+x=6x 3200=450+5X+X X0.8X=6 12x- 8x=4.8 7.5*2X=15 1.2x=81.6 x+5.6=9.4 x- 0.7x=3.6912( = 1.3 X+8.3=10.7 15x = 3 3x 8=16 7(x-2)=2x+3 3x+9=27 18(x-2)=270 12x=300-4x 7x+5.3=74 3x 廿=4.8 302(+25=851.4 8-2x=66X-12.8 =0.06 410-3x=170 3(x+0.5)=21 0.5x+8=43 6x-3x=181.5x+18=3x5

2、 X3-x 2=80.273 2=0.351 8x=0972 x2).756=90 9x-40=5 x25+9=2148-27+5x=31 10.5+x+21=56 x+2x+18=78 (200-x) 5=301 /5(x-140) 70=40.1(x+6)=3.3X42/54(x-5.6)=1.6 7(65+x)=87.5 (27.5- 3.5) x=4 x+19.8=25.8 5.6x=33.6 9.8-x=3.8 75.6 次=12.6 5x+12.5=32.3 5(x+8)=102 x+3x+10=70 3(x+3)=50-x+3 5x4-15=60 3.5-5x=20.3 7+4x

3、=12.5x A1.5-1.25=0.75 4x-1.3 =2.620-9x=1.2,25 6x4-12.8=15.8150 X2+3x=690 2x 20=4 3x4-6=18 2(2.8+x)=10.4 (x-3) 2=7.5 13.2x+9x=33.3 3x=x+100 x+4.8=7.2 6x+18=48 3(x+2.1)=10.5 12x 9x=8.7 13(x4-5)=169 2x-97=34.2 3.4x 48=26.8 42x+25x=134 1.5(x+1.6)=3.6 2(x 3)=5.8 65x+7=42 9x+4 X2.5 = 91 4.2 x+2.5x =134 10

4、.5x+6.5x=51 89x-43x=9.2 5x 45=100 1.2x-0.5x=6.3 23.4=2x=56 4x-x=48.64.5x-x=28 X- 5.7=2.15 15 5X-2X=18 3X+0.7=53.5 2= 4.2+x26X1.5=2X+10 0.5X1616X0.2=4x 13 9.253/5X=0.40316.9 -X=0. 323x=14x +14x +14x=653 5x = 801.8 +6x = 546.7x 60.3 =6.79 + 4x = 402x+8=16 23x-14x=14x+7x=8 9x-3x=6 6x-8=45x+x=9 x-8=6x 4

5、/5x=20 2x 6=12 7x+7=14 6x-6=05x+6=118=10 1/2x-8=4x-5/6=7 3x+7=28 3x 7=26 9x-x=16 24x+x=50 6/7x-8=4 3x- 8=30 6x+6=12 3x-3=1 5x- 3x=4 2x+16=19 5x+8=1914-6x=8 15+6x=275- 8x=4 7x+8=159- 2x=1 4+5x=910- x=88x+9=179+6x=14 x+9x=4+7 2x+9=178-4x=66x-7=124/57x-9=8x-56=18-7x=1x-30=126x-21=216x-3=69x=184x-18=135x+9=116- 2x=11x+4+8=237x-12=8X-5.7=2.1515 5X-2X=183X 0.7=53.5 2= 4.2 x26X1.5= 2x0.5 X 16 16X0.2=4x9.25 X=0.40316.9 X=0.3XP.5=2.63 5x = 801,8-6x = 546.7x一60.3 = 6.79 + 4x = 400.2x一0.4 + 0.5 = 379.4x 一 0.4