Write an equation to represent the situation. Then, solve the equation.The sum of a number and 6 is equal to twice the number. Find the number.
A. x + 6 = 2x; 6
B. 2x + 6 = x; 6
C. x + 6 = 2x; -6
D. 2x + 6 = x; -6
Answer: A
You might also like to view...
Write the expression in simplest form. If a radical appears in the denominator, rationalize the denominator.
A. 3xy
B. 5xy
C. 5xy
D. 5xy
If the following number is a composite number, write it as a product of prime factors. Otherwise, identify it as prime.936
A. 2 ? 2 ? 2 ? 3 ? 3 ? 13 B. 2 ? 3 ? 3 ? 3 ? 3 ? 13 C. 2 ? 2 ? 2 ? 3 ? 3 ? 3 ? 13 D. 2 ? 2 ? 2 ? 2 ? 3 ? 13
Solve the problem.A twin-engined aircraft can fly 768 miles from city A to city B in 4 hours with the wind and make the return trip in 6 hours against the wind. What is the speed of the wind?
A. 64 mph B. 32 mph C. 16 mph D. 48 mph
Use the quadratic formula to solve the equation. If the equation has no real number solution, so state.4x2 + x - 1 = 0
A. x = 
B. No solution
C. x = 
D. x = 