Answer : -100
Step by step explanation :
Step 1 : Work through the problem backwards, setting up this equation.
-45 + 20 = x/4
Step 2 : Solve for x.
-25 = x/4
Step 3 : multiply -25 by 4 to get x.
-25 times 4 = -100
Therefore the answer is -100. Please mark brainliest if possible, have a nice day!
