Answer:
y = 7
Step-by-step explanation:

Add -4y and 6y

Move all terms not containing y to the right side of the equation.

Divide both sides by 2

Let T=Num of T-shirts 27
Let M=Total amount of money spent for 27 T-shirts.
Let X=Cost of 1 T-shirt
M(Total cost)/T(#of T-shirts) = X (Cost of one shirt)
Answer:
Step-by-step explanation:
A would equal 1.1148990985734988
Answer:
4a(5a + 1)
Step-by-step explanation:
Given
20a² + 4a ← factor out 4a from each term
= 4a(5a + 1)