Find The Value Of X When The Arithmetic Means Or Average Of 3x+1 And 4x+9 Is 2x+11

Find the value of x when the arithmetic means or average of 3x+1 and 4x+9 is 2x+11

Answer:

x = 4

Step-by-step explanation:

\frac{(3x+1) + (4x + 9(}{2} = 2x + 11

\frac{7x+10}{2} =2x + 11

7x + 10 = 4x + 22

3x = 12

x=4

^_^


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