Question

Solve the following equation and check your results :
7x-2=5(x+2)-4​

Answer 1

Answer:

according to question :-

7x-2 = 5(x+2)-4

7x-2 = 5x+10-4

7x-5x = 10-4+2

2x = 8

x = 8/2 = 4

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Answer 2

Answer:

7x - 2 = 5(x + 2) - 4

7x - 2 = (5x + 10) - 4

7x - 2 = 5x + 10 - 4

7x - 5x = 6 + 2

2x = 8

x = 4

Verification:

Substituting x = 4,

7(4) - 2 = 5(4 + 2)-4

28 - 2 = 5(6) - 4

26 = 26

L.H.S = R.H.S

Therefore, x = 4