You need to isolate the variable <em>h</em>.
1) Subtract both sides by 2.
-4h + 2 = 18
-4h + 2 - 2 = 18 - 2
-4h = 16
2) Divide both sides by -4 (the coefficient).
(-4h) / -4 = 16 / -4
h = -4
60% is answer...20% is taken each year so After 2 yrs it's 40% less 100-40 is 60
Answer:
the answer is the won with ijkl
