Solve for x. 3(3x + 2) + 3x = 42

Solve for x.
3(3x + 2) + 3x = 42
x = 3
Write an equation to represent the mat below and then solve for x.
x = 2
Solve for x.
3x + 4 > 2 + 5x
x < 1
­5x ­ 2 + 17 = 2(x ­ 3) Does x = 4?
x = 3
I love the USA. Anyone who is at least 18 years old can participate in our government in various ways. Write an inequality and graph its solution on a number line to represent any person who can legally participate.
x > 18
Mary Lou is twice George’s age and Kate is two years younger than George. The sum total of their ages is 46. How old is each person? George is 12, Kate is 10, and Mary Lou is 24.
Solve for x. 4x ­ 10 = 4x + 1
No solution
­12
­2
6
4
­12
4
The diagram below represents an acrobat's sequence of moves on a tightrope, where m represents the distance in feet that she covers each time she does a leap.
a. Write and solve an equation to find the length of each leap.
b. How long is the tightrope?
a. m +7 = 2m + 4
m = 3
b. 10
m
m
1
5
1
m
4
50
­10
­5
­15
50
­5
Solve for x.
2(x ­ 4)= 2x ­ 8
All Numbers Mary Lou is twice George’s age and Kate is two years younger than Mary Lou. The sum total of their ages is 48. How old is each person? George is 10, Kate is 18, and Mary Lou is 20.