Math, asked by huanglee064, 29 days ago

List the elements of the set A = {x : 3x - 7 = 20}​

Answers

Answered by seohyng
0

Answer:

The solution of the equation 3x+ 7 =- 20 is -9.

Consider the equation, 3x + 7 = -20

Transposing 7 from left hand side to right hand side it becomes -7,

3x = - 20- 7

3x = - 27

X = -27/3

X = -9

Step-by-step explanation:

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