解方程练习题

7+x=19 x+120=176 58+x=90 x+150=29079.4+x=95.5 2x+55=129 7 x=63 x 9=4.5 4.4x=444 x 4.5=90 x 5=100 6.2x=124x6=19 x3.3=8.9 x25.8=95.4 x54.3=100x77=275 x77=144 x 7=9 x4.4=10x78=10.5 x2.5=100 x3=33.3 x2.2=89x=4.5 73.2x=52.5 87x=22 66x=32.3 77x=21.9 99x=61.9 3.3x=0.3 8.8x=4.49x=0.03 7x=0.001 56x=5 39x=33(x4)=46 (+x) 5=15 (x5) 3=16 15(x+0.5)=1.512x+8x=40 12x8x=40 12xx=26 x+ 0.5x=6 x0.2x=32 1.3x+x=26 3X+5X=48 14X-8X=1265+2X=44 20X-50=50 28+6X=88 32-22X=10 24-3X=3 10X（5+1）=60 99X=100-X X+3=18 X-6=12 56-2X=20 4y+2=6 x+32=76 3x+6=18 16+8x=40 2x-8=8 4x-39=29 8x-3x=105 x-65=42 x+5=7 2x+3=10 、X-0.8X=6 12x+8x=4.8 7(x-2)=49 48+2x=36(x-2)3=7 x5+9=21 (200-x)5=30 48-27+5x=313x816 3x+9=27 5.3+7x=7.4 3x5=4.853-x=8 40-8x=5 x5=215 x+25=100(0.5+x)+x=9.82 25000+x=6x 3x+9=27 0.273x=0.35 3200=450+5X+X 12x=300-4x x0.756=90 12x-8x=4.87x+5.3=7.4 x0.756=90 7.5*2X=15 3x5=4.81.2x=81.6 1.48-2x=6 48-27+5x=31 x-0.7x=3.66x-12.83=0.06 x+2x+18=78 X+8.3=10.7 3(x+0.5)=21(200-x)5=30 15x3 410-3x=170 (200-x)5=303x816 6x-3x=18 7(6.5+x)=87.5 4(x-5.6)=1.6