七上解一元一次方程100道练习题(有答案)

巡山小妖精
914次浏览
2021年02月12日 02:01
最佳经验
本文由作者推荐

-

2021年2月12日发(作者:有容)


解一元一次方程


100


道练习题



1.



2

< br>x


+


1


=


7


2.



5


x


-


2


=


8< /p>



3.



3


x


+


3


=


2


x



+


7


4.


< /p>


x


+


5


=


3


x


-


7

< p>


5.



11

< p>
x


-


2


=


14


x


-



9


6.



x< /p>


-


9


=


4


x


+


27




7.



1< /p>


4


x


=-


1


2


x


+


3



8.



x

< p>
=


3


2


x


+


16



9.



2


x< /p>


+


6


=


1



10.



10


x


-


3


=


9



11.



5


x


-


2


=


7


x


+

< br>8



12.


< br>1


-


3


2


x


=


3


x


+


5


2



13.



4


x


-


2


=


3


-


x



14.



-


7


x


+


2


=


2


x


-


4



15.



-


x


=-


2


5

< p>
x


+


1



16.



2


x


-


1


3


=-< /p>


x


3


+


2



17.



4


(


x


+


0

< p>
.


5


)+


x


=


7



18.



-


2


(


x


-


1


)=


4



19.



5


(


x


-


1


)=< /p>


1



20.


< /p>


2


-(


1


-


x


)=-


2



21.



11


x


+


1


=


5< /p>


(


2


x


+


1


)



22.



4


x


-


(


3


20< /p>


-


x


)=


3



23.



5


(


x


+


8


)-


5


=


0

< p>


24.



2

< p>
(


3


-


x


)=


9



25.



-


3


(


x


+


3


)=


24



26.



-


2


(


x


-


2


)=


12



27.



12


(


2


-


3


x< /p>


)=


4


x


+


4



28.



6


-


(


3


x


+


2


2


3


)=


3



29.



(


2


200


-


15


x


)=


70


+


25


x


30.



(


3


2


x


+


1


)=


12



31.



x


+


2


5


=


x


4



32.



3


-


x


2


=


x


+


4


3



33.



1


3


(


x

< br>+


1


)=


1

7


(


2


x


-


3


)



34.



1


4


(


x


+


1


)=


1


3


(


x


-


1


)

< p>


35.



2

< p>
x


-


1


x


+


3


=


2

4


-


1




36.



1


2


(


x


-


1


)=


2


-


1


5


(


x


+

< p>
2


)



37.



1


(


x


+


14


)=


1


7


4


(


x


+


20


)



38.



1


5


(


x


+

< p>
15


)=


1


2

< p>
-


1


3


(


x


-


7


)


39.



1

4


x


-


1


3


2


=


4



40.



7


x


-


5


4


=


3


8



41.



2


x


-


1


5


x


+


1


6


=


8



42.



1


9


x


-


2


2


x


-

< br>7


=


6



43.



1


5


x


-


1


2


(


3


-


2


x


)=


1



44.



2


x


+


1


3


-


5


x


-


1


6


=


1



45.



1


7


(


2


x


+


14


)=


4


-


2


x



46.



3


1 0


(


200


+


x


)-


2


10


(


300


-


x


)=


300



9


25


47.



(

8


3


x


-


1


)-


(


9


5


x


-


11


)-


(


2


2


x


-


7


)=


30


48.



1


2


x


+


1


1


1


3


=


4


x


-


5



49.



0


.


5


x


-


1


0


.


1


x


+


0


.


2


-


2


0


.

< br>3


=-


1



50.



x


-


1


0


.


3


-


x


+


2


0


.


5


=


12



51.


< p>
2


x



1



1


2


x


4



52.



0


.


8


x



0


.


1



0


.


5


x



0


.


7



53.



1


2


x



4



2


x



3



5


2


x



54.



3


x



1


7

< br>


x


3



6



55.



x



1


2


x



4



1



3


x



1


6



3



56.



3


2


[


2


3

< br>(


1


2


3


2


x



1


)



2


]



3



2


x



57.



2


[


1



1


1



x


1

< br>10



3


x

3


(


x



3


)]



2


(


2


x



3


)



第


1


页





-


-


-


-


-


-


-


-