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解一元一次方程计算题专练
解一元一次方程计算题专练 〔1〕7(2x-1)-3(4x-1)=4(3x+2)-1; 〔2〕 (5y+1)+ (1-y)= (9y+1)+ (1-3y);3{2x-[x-8〔x-4〕]}-2
〔27〕
??3x5x????0 〔28〕7〔3- x〕-5〔x-3〕=8 ?23?2x3〔30〕-2 =1 〔31〕3(x-2)-2(x-3)=5x
〔32〕4x+3-3x=0 〔33〕4x-3〔20-x〕=6x-7〔9-x〕
y?1y?2x?3x?4〔34〕y-2=3-5 〔35〕-=
xx?5?〔36〕
〔37〕3x—1=
1—2 2〔38〕1- 〔40〕
2x?4x?734?? 〔39〕(x-1)=3 3643 〔41〕
x1?x?1?〔42〕32
x?23x?2???1〔43〕24
y?1y3y?1???y〔44〕236
〔45〕15(50?x)?(50?x)
1?1x?4x?3?22x?x?(x?1)?(x?1)??〔47〕〔48〕?32? ??
〔50〕3?4x?1??5?3x?2??7?2x?1??1 〔51〕
〔52〕?x?3??2??x?3?
x?2x?2x?1??1? 6321212〔53〕
x?4x?3??225
〔54〕
1?xx?11?x=1??3 〔55〕23 2〔56〕2?
x?11?x??3?x〔57〕5x?2?x?1??17 32 x?15?xx?1〔61〕+=1 ?1232
〔60〕3?
〔62〕?x?5?2x 〔63〕5?x?8??8?7?2x?3?
〔64〕2x?1?5x?7 〔65〕
3?4?x?1???34?3?
〔66〕
2x?4x?73?4?2??〔67〕x?1?3??36 4?3?
〔68〕
x?15?x-=1 〔69〕2x?2?2?2x??1 23〔70〕7x?6?8?3x