Question

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Answer 1

Answer:

6,8,24

Step-by-step explanation:

(1)

Given Equation is (x/2) + x = 9

⇒ (x/2) = 9 - x

⇒ x = 2(9 - x)

⇒ x = 18 - 2x

⇒ 3x = 18

⇒ x = 6.

∴ Therefore, the value of x = 6.

(ii)

Given: (3x/4) + 4x = 38

⇒ (3x + 16x)/4 = 38

⇒ 19x/4 = 38

⇒ 19x = 152

⇒ x = 152/19

⇒ x = 8.

∴ Therefore, the value of x = 8.

(iii)

Given Equation is (x/3) - (x/4) = 2

⇒ (4x - 3x)/12 = 2

⇒ x/12 = 2

⇒ x = 24.

∴ Therefore, the value of x = 24.

Answer 2

Answer:

Value of x in 1,2 and 3 is 6,8 and 24 respectively.

Step-by-step explanation:

(1) (x/2) + x = 9

⇒ (x/2) = 9 - x

⇒ x = 2(9 - x)

⇒ x = 18 - 2x

⇒ 3x = 18

⇒ x = 6.

So, the value of x is 6.

(2) (3x/4) + 4x = 38

⇒ (3x + 16x) / 4 = 38

⇒ 19x / 4 = 38

⇒ 19x = 152

⇒ x = 152 / 19

⇒ x = 8.

So, the value of x is 8.

(3) (x/3) - (x/4) = 2

⇒ (4x - 3x) / 12 = 2

⇒ x / 12 = 2

⇒ x = 24.

So, the value of x is 24.