Simple Equations
Solve the equation
x + 9 = 15
x = 6
Solve the equation
3m + 6 = 18
m = 4
What set is -18 in? Be as specific as possible.
The integers or Z.
Solve and graph the inequality
x + 9 > 10
x > 1
The sum of a number and 12 is -19. Write and solve the equation
n + 12 = -19
n = -31
Solve the equation
8m = 56
m = 7
6m - 9 = -27
m = -3
What set is 2,567 in? Be as specific as possible.
The natural numbers or N.
Solve and graph the inequality.
-8x > 64
x < -8
The product of a number and -7 is -49. Write and solve the equation.
-7n = -49
n = 7
Solve the equation
x/2 = -8
x = -16
Solve the equation
7x - 8 + 2x = -71
x = -7
What set is 0 in? Be as specific as possible.
The whole numbers of W.
Solve the inequality.
-x - 9 < -4
x >-5
Three times a number is less than 51. Write and solve the inequality.
3n < 51
n < 17
Solve the equation
12 - m = -21
m = 33
y - 7 + 8y - 16 = -14
y = 1
The rational numbers or Q.
For which inequality symbols do you fill in the dot when you are graphing?
Greater than or equal to or Less than or equal to
n/-6 > 5
n < -30
Solve the equation
-7x = 28
x = -4
-(2x + 5) + 12 = 3
x = 2
What set is pi in? Be as specific as possible.
The real numbers or R.
Determine which numbers are in the solution set for this inequality: -4, -2, 0, 1, 5.
4x - 8 < 12
All of them except 5.
Twice a number plus 3 is less than 9. Write and solve the inequality.
2n + 3 < 9
n < 3