Which line shows the first error in the solution?

3 (x-2) = 18 (1)

3x-6=18 (2)

3x-6+6=18+6 (3)

3x=24 (4)

x=21 (5)

A plant is 2 inches tall. In sunlight, the plant grows 1 inch each week. At the end of the 4th week, the plant is placed in a dark room for 2 weeks and stops growing.

A golf instructor ordered 21 cartons of golf balls. Each carton contained 15 golf balls. And equal number of golf balls were given to each of his six classes and the rest were put in his golf bag.

The ratio of your monthly allowance to your friend's monthly allowance is 6:4. lf your friend's monthly allowance is $40, what is your monthly allowance

Which is closest to the circumference of a circle with a radius of 9 inches

If a+1,2a+1,4a-1 are in A. P, then the value of a is

Solve the inequality 4 (x+1) < 2x+3 Show steps

How many solutions does the equation 5x + 10 = 5x - 8 have?

Stan is on a bike ride. His GPS indicates that he has traveled exactly 18 miles and he is 32% complete with his total ride. How many miles long is Stan's ride?

What is the inverse of f (x) = The quantity of three x plus five, over seven.?

The diameter of a sphere is 2 ft. What is the sphere's volume? Round to the nearest tenth.