2. Consider the equation 3(x + 1) + 4 = 2(x – 1) + x. a. Solve the equation.

b. Is the resulting equation from part (a) always true, sometimes true, or never true?
Explain your reasoning.

Answer soon(fast) 15 pts-brainliest? for right answer with small explination a restaurant catered a party for 40 people. a child’s dinner (c) cost $11 and an adult’s dinner (a) cost $20. the total cost of the dinner was $728. how many children and adults were at the party? use the table to guess and check.(i couldn't get the graph onto the question)                                8 children and 32 adults9 children and 31 adults10 children and 30 adults12 children and 28 adults

An episode of a television show is 60 minutes long when it originally airs with commercials. on a dvd without commercials, the episode is only 417 minutes long. how many1-minute commercials did the episode include when it originally aired? write and solve an equation to justify your answer.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).