Answer:
x= 5
Explanation:
First, subtract the smallest variable to both sides to move the variable to one side.
7x+9= 3x+29
-3x -3x
Now, subtract 9 to both sides.
4x+9= 29
-9 -9
Finally, divide by 4 to both sides to isolate the variable.
4x= 20
4 4
x=5