I hope this helps you
5x+20=57
5x=57-20
5x=37
x=37/5
Answer:
w = 4
Step-by-step explanation:
You have to switch the negative 7 into a positive, and then add it to the negative 3
-3 = w - 7
+7 +7
4 = w
Answer: 3055.25
Step-by-step explanation:
Hi there!

First we want to get rid of the parentheses.

Now we collect terms on both sides of the equation

Since both sides of the equation are the same, every number is a correct solution to this equation. (Whatever number you choose to fill in will be correct).