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The solution of the equation 3x + 7 = – 20 is (a) 17/7 (b) -9 (c) 9 (d) 13/3

 The solution of the equation 3x + 7 = – 20 is (a) 17/7 (b) -9 (c) 9 (d) 13/3

Grade:12

1 Answers

Anand Kumar Pandey
askIITians Faculty 5693 Points
4 months ago
Dear Student

Option (b) is correct here
Consider the given equation 3x + 7 =–20
Transpose 7 to right hand side then it becomes–7

3x = -20–7
3x = -27
x = -27/3
x = -9



Thanks

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