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Турнир Математика

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

 6x12=5x+46x-12=5x+4  

a)

10

b)

4

c)

16

d)

-8

2.

 253x=95x25-3x=9-5x  

a)

5

b)

-3

c)

4

d)

-8

3.

 (92b)(b+5)=16\left(9-2b\right)-\left(b+5\right)=16  

a)

-4

b)

10

c)

-1

d)

-5

4.

 (4c7)=5c+(117c)-\left(4c-7\right)=5c+\left(11-7c\right)  

a)

-4

b)

-2

c)

-3

d)

1

5.

 174y=7(2y)+617-4y=7\left(2-y\right)+6  

a)

5

b)

7

c)

1

d)

0

6.

 4(2z+5)=143(3z3)4\left(-2z+5\right)=14-3\left(3z-3\right)  

a)

1

b)

-4

c)

2

d)

0

7.

 710x14x+15x=3920\frac{7}{10}x-\frac{1}{4}x+\frac{1}{5}x=\frac{39}{20}  

a)

4

b)

6

c)

2

d)

10

8.

 x23+2x3=5x6\frac{x-2}{3}+\frac{2x}{3}=\frac{5x}{6}  

a)

2

b)

3

c)

шешімі жоқ

d)

-1

9.

 5x105+4x74=5\frac{5x-10}{5}+\frac{4x-7}{4}=5  

a)

7

b)

2

c)

-4

d)

1

10.

 0.71x13=100.29x0.71x-13=10-0.29x  

a)

24

b)

23

c)

-3

d)

3