Solve the equations :(i) 3(x + 1) = 12 + 4(x – 1)(ii) 2x – 5 = 3(x – InterviewSolution

1.

Solve the equations :(i) 3(x + 1) = 12 + 4(x – 1)(ii) 2x – 5 = 3(x – 5)

Answer»

(i) 3(x + 1) = 12 + 4(x – 1)

3(x + 1)= 12 + 4(x – 1)

3x + 3 = 12 + 4x – 4

3x + 3 = 4x + 8

3x – 4x = 8 – 3

-x = 5

x = -5

(ii) 2x – 5 = 3(x – 5)

2x – 5 = 3(x – 5)

2x – 5 = 3x – 15

2x – 3x = -15 + 5

-x = -10

x= 10

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