Sqrt of 144 = 12 so in other words your answer is 12
Divide 18 to both sides and you get -12
X+y=3
Subtract x from both sides
y=-x+3
Substitute
2x--x+3=6
2x+x+3=6
3x+3=6
Subtract 3 from both sides
3x=3
Divide both sides by 3
x=1
14x+20+= the number of people that can be seated
Answer:
1. x=4+2y/3
2. x=3/4+y/2
Step-by-step explanation:
hope this helped :))
