一、解方程专题7+=19X+120=17658+X=90X+150=29079
4+X=95
52X+55=1297X=63X×9=4
4X=444X×4
5=90X×5=1006
2X=124X-6=19X-3
3=100X-77=275X-77=144X÷7=9X÷4
4=10X÷78=10
5=100X÷3=33
2=89-X=4
2-X=52
587-X=2266-X=32
377-X=21
999-X=61
49÷X=0
037÷X=0
00156÷X=539÷X=33×(X-4)=46(8+X)÷5=15(X+5)÷3=1615÷(X+0
512X+8X=4012X-8X=4012X+X=26X+0
5X=6X-0
2X=321
3X+X=263X+5X=4814X-8X=126×5+2X=4420X-50=5028+6X=8832-22X=1024-3X=310X×(5+1)=6099X=100-XX+3=18X-6=1256-2X=204X+2=6X+32=763X+6=1816+8X=402X-8=84X-3×9=298X-3X=105X-6×5=42X+5=72X+3=10X-0
8X=612X+8X=4
87(X-2)=494×8+2X=36(X-2)÷3=7X÷5+9=21(200-X)÷5=3048-27+5X=313X-8=163X+9=275
3+7X=7
43X÷5=4
85×3-X=840-8X=5X÷5=215X+25=100X+15=302X+8=2020-2X=62X+9=3135-5X=105(X-6)=2010(9-X)=206(X-3)=123(X-9)=3354-X=247X=49126÷X=4212÷X=