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Лінійні рівняння

Total questions: 12

Worksheet time: 17mins

Name
Class
Date
1.

 56x+12=14x2\frac{5}{6}x+12=\frac{1}{4}x-2  

(a)  

2.

 0,4(3x1)+8(0,8x0,3)=5(3,8x+4)-0,4\left(3x-1\right)+8\left(0,8x-0,3\right)=5-\left(3,8x+4\right)  

(a)  

3.

 x22x+1x21=0\frac{x^2-2x+1}{x^2-1}=0  

(a)  

4.

 2x7+x4=1514\frac{2x}{7}+\frac{x}{4}=\frac{15}{14}  

(a)  

5.

 2x2+3x+12x+1x=1\frac{2x^2+3x+1}{2x+1}-x=1  

(a)  

6.

 2x22xx24+6x+2=x+2x2\frac{2x^2-2x}{x^2-4}+\frac{6}{x+2}=\frac{x+2}{x-2}  

a)

4

b)

2

c)

0

d)

-4

7.

 4y+245y245+y+35y215y=y3y2+3y\frac{4y+24}{5y^2-45}+\frac{y+3}{5y^2-15y}=\frac{y-3}{y^2+3y}  

(a)  

8.

 4x3+1x=5x2\frac{4}{x-3}+\frac{1}{x}=\frac{5}{x-2}  

(a)  

9.

 7x2+2x+x+1x22x=x+4x24\frac{7}{x^2+2x}+\frac{x+1}{x^2-2x}=\frac{x+4}{x^2-4}  

(a)  

10.

 x+5x2x+3x+2=2x24\frac{x+5}{x-2}-\frac{x+3}{x+2}=\frac{2}{x^2-4}  

(a)  

11.

 (xa)(x2a7)x5=0\frac{\left(x-a\right)\left(x-2a-7\right)}{x-5}=0  

4 lines
12.

 x2ax4=0\frac{x-2a}{x-4}=0  

4 lines