Q. 75.0( 4 Votes )

The solution of the equation 3x + 7 = – 20 is
A.

B. –9

C. 9

D.

Answer :

Given 3x + 7 = – 20


3x = –20 – 7


3x = –27


On dividing the above equation by 3, we get


x = –9


Hence, the solution of the given equation is –9.

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