Download photo math and put the problem into it it will solve it
Y = 9
7y - 10y = -3y
bring down the 9 = -18 so
-3y + 9 = -18
9 - 9 = 0
- 18 - 9 = - 27
- 3y ÷ - 3 = y
- 27 ÷ -3 = 9
therefore y =9
Answer:
D
Step-by-step explanation:
Answer:
b=5.3 units
Step-by-step explanation:
area = 24 sq. ft
24 = 1/2 (bh)
h = 9
1/2(9)=4.5
24=4.5b
24/4.5 = 5.3