If, for example, you had x on one side and x on the other, then subtracting x from both sides "disappears" x. If no other power of x shows up on either side, then your equation either has no solution or is always true.
False, it would be d*t (distance*time)
By the seventh week you both will have $148. Hope this helps!
Step-by-step explanation:

Now , divide both side by the same number...

