I need help on number 29
![I need help on number 29 class=](https://us-static.z-dn.net/files/d83/2288abc5c99bc340591c1d731ec77ee0.png)
x = All real numbers or 0.
First you should distribute both sides of the equation. This gives you 42x+42=42x+42.
Then, subtract 42 from both sides. This gives you 42x=42x.
Now, divide 42 on both sides. This gives you x=0 or all real numbers.