SOLUTION: A. Perform the indicated operation and express the result in simplest form:
3x+24 over x+2 times x²-6x-16 over x²-64
B. Solve for x: x+4 over 2 plus 2x over 3 equals 9
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Question 199096: A. Perform the indicated operation and express the result in simplest form:
3x+24 over x+2 times x²-6x-16 over x²-64
B. Solve for x: x+4 over 2 plus 2x over 3 equals 9
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
A. Perform the indicated operation and express the result in simplest form:
*
Factor, then everything cancels except 3
* = 3
;
:
B. Solve for x:
+ = 9
Multiply by 6
6* + 6* = 6(9)
cancel denominators, results:
3(x+4) + 2(2x) = 54
:
3x + 12 + 4x = 54
:
7x = 54 - 12
:
7x = 42
x =
x = 6
:
Check solution in original equation
+ = 9
+ = 9
5 + 4 = 9
:
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