2 years ago

A) |9+x|=2x b) |x+6|=2x+9

Mathematics

1 answer:

levacccp [35]2 years ago

4 0

Answer:

a) 9

b) -3

Step-by-step explanation:

|9+x|=2x

9 + x = 2x

- x -x

---------------

9 = x

|x+6|=2x+9

x +6 = 2x +9

-x -x

6 = x + 9

-9 -9

--------------

-3 = x

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