x-6=19x-3.3=8.9x-25.8=95.4x-54.3=100
x-77=275x-77=144x÷7=9x÷4.4=10
x÷78=10.5x÷2.5=100x÷3=33.3x÷2.2=8
9-x=4.573.2-x=52.587-x=2266-x=32.3
77-x=21.999-x=61.93.3÷x=0.3 8.8÷x=4.4
9÷x=0.037÷x=0.00156÷x=539÷x=3
3×(x-4)=46(8+x)÷5=15(x+5)÷3=1615÷(x+0.5)=1.5
12x+8x=4012x-8x=40 12x+x=26x+0.5x=6
x-0.2x=321.3x+x=263X+5X=4814X-8X=12
6×5+2X=4420X-50=5028+6X=8832-22X=10
24-3X=310X×(5+1)=6099X=100-XX+3=18
X-6=1256-2X=204y+2=6x+32=76
3x+6=1816+8x=402x-8=84x-3×9=29
8x-3x=105x-6×5=42x+5=72x+3=10、
X-0.8X=612x+8x=4.87(x-2)=494×8+2x=36
