Answer:
y = 9
Step-by-step explanation:
Collect the like terms:
2y = 18
Divide both sides by 2 to make y on its own
y = 9
Answer:

Step-by-step explanation:
Answer:
$12.60
Step-by-step explanation:
6% of 210 is .06 x 210 which equals 12.60
Gcf first
21y(y+5)
solutions are 0,-5