Firstly, expand the equation.

Next, move the variable x to the left and all the constant to the right.

Then, solve for x.
Answer:
9n + 15
Step-by-step explanation:5XN + 5X3 + 4N = 5n + 15 + 4n = 9n + 15
STAN TXT AND STREAM IF BORED
Its 40 you basically add it kus if it gets colder than the temperature must of been higher so you add
Answer:
4:7
Step-by-step explanation:
Okay, so first convert the feet to inches so 3x12=36. So the it's 36:63. Then if you simplify it you get 4:7.