Question

solve the following equation and check your result y+2 2/3=3 1/6​

Answer 1

Step-by-step explanation:

Solution

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(i)5x−2=18                      

⇒5x=20                          

⇒

k=

check:

LHS⇒5(4)−2=18=RHS

∴

x=4

​

(ii)

4

1

​

y+

2

1

​

=5

y+2=20

⇒

y=18

​

Check:

LHS⇒

4

1

​

(18)+

2

1

​

⇒

4

18+2

​

⇒5=RHS

∴

y=18

​

(iii)3x+

5

1

​

=2−x

4x=2−

5

1

​

4x=

5

9

​

x=

20

9

​

​

check:

LHS⇒3x+

5

1

​

=3(

20

9

​

)+

5

1

​

⇒

20

31

​

⇒2−

20

9

​

=RHS

⇒

x=

20

9

​

​

(iv)8x+5=6x−5

2x=−10

x=−5

​

check:

LHS⇒8x+5⇒8(−5)+5

⇒−35⇒6(−5)−5

⇒RHS

⇒

x=−5

​