Question

9th grade algebra please help

1.Solve for x: 3x − 5 = 2x + 6

2.Solve for x: 3(x + 1) = −2(x − 1) + 6

3.A social networking site recorded that 80% of the people who became members of the site one month were between 30 and 40 years old. The equation below represents this information, where x represents the total number of people who became members of the site that month.

x = 0.8x + 72

How many people who became members of the site that month were between 30 and 40 years of age?

Answer 1

the answer is facebook

Answer 2

Get x alone by undoing operations


For the second one distribute
& solve for x

For the third one all you need to do is solve for x in the equation given