2 answers:
If your solving for for y, then simplify both sides of the equation, then isolating the variable.
y = 20
Y equals 20 because what is 100 - 20 is 80 so you have a year and then you at 10 on today and got 90 so y equals 20
You might be interested in
Answer:
4d
Step-by-step explanation:
Me!!!! 245554! Then do 45316
Answer:

Answer:
9 + 2j is the required algebraic equation.