Question

Construct 3 equations having solution as (i) x = 2



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Answer 1

x=−2(1)x=−2

x+2=0

(2)x−2=−2

−2x−2=−4

(3)2x=2

×(−2)

2x=−4

Answer 2

Answer:

Step-by-step explanation:

(i) x= 2

multiplying both sides by 2

2x= 4

adding 2 both sides

2x+2 = 6

(ii) x= 2

mu;tiplying both sides by 5

5x= 10

add 5 on both sides

5x+5 = 15

(iii) x= 2

dividing both sides by 5 \frac{x}{5\ }=\ \frac{2}{5}

5

x

​

=

5

2

​

adding 2 on both sides

\frac{x}{5}+\ 2\ =\ \frac{2}{5\ }+\ 2

5

x

​

+ 2 =

5

2

​

+ 2

(b)

(i) x= -2

multiplying 10 on both sides

10x = -20

addong 2 both sides

10x+2 = -20+2

10x +2 = -18

(ii) x=-2

multiplying 3 both sides

3x= -6

(iii) x=-2

multiplying 3 both sides

3x = -6

adding 7 on both sides

3x+7 = -6+7

3x+7 = 1