Confused a bit, can you make sure you copy and pasted it right?
Answer:
x=3
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
4x+x+3=18
(4x+x)+(3)=18(Combine Like Terms)
5x+3=18
5x+3=18
Step 2: Subtract 3 from both sides.
5x+3−3=18−3
5x=15
Step 3: Divide both sides by 5.
5x/5 = 15/5
x=3
2x^2+3
x=3
2(3)^2+3
2(9)+3
18+3
21 is the answer.
Answer:
the water is 2.2 meters deep
Step-by-step explanation:
Answer: The y-axis or line x=0.
Step-by-step explanation: