3x+7=22
Subtract 7 to both sides
3x=15
Divide by 3
x=5
(1/4)x = 2
x = 8 x 3 = 24 feet long
(1/4)x = 1
x = 4 x 3 = 12 feet wide
24ft x 12ft = 288ft^2
HARD!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
if by % this sign you mean x then
x=9
Step-by-step explanation:
x+3=12
x=12-3
x=9
