Solve the equation.
r - 18 = 42
r= 60
Solve for X: 2x + 3=21
x=9
Solve the inequalities.
x + 4 < 3
x < -1
Solve the inequality.
2y + 7 > 11
y > 2
<
Less Than
Solve the Equation: 4x=28?
X=7
Which of the following equations represents "six less than twice a number equals fifteen"?
a. 2š„+6=15
b. 2š„ā6=15
c. 6ā2š„=15
d. ā2š„+6=15
2x-6=15
Solve the inequalities.
m - 16 ā„ 14
m ā„ 30
Solve the inequality.
11 - 4z < -1
z > -2.5
>
Greater Than
Sarah has $84 and wants to buy several notebooks that cost $12 each. How many notebooks can she buy?
A. 12x= 84
B. 84x=12
12x=84
Solve the equation.
4 + 3x = 34
X =10
Solve the inequality.
3y > 36
y < 12
Solve the Z.
2z+5=15
z= 5
=
Equal
Solve for X: x+15=40
x=25
Solve the equation.
3x + 7 =22
x=5
Which of the following equations represents "a number is at least 8"
a. x-8=10
b.x=7
c. š„ā¤8
d. š„ā„8
d. X ā„ 8
Solve the inequality.
7x -3 > 18
x ⤠-15
ā¤
Less Than or Equal to
Solve for x: A taxi charges $2.50 per mile. If your total fare is $20, how many miles did you travel?
A. 2.50x=$20 (X=6 miles)
B. 2.50x=$20 (X=8 miles)
C. 2.50x=$20 (X=12 miles)
D. 2.50x=$20 (X=20 miles)
B. 2.50x=$20 (X=8 miles)
Write the statement as an equation.
Five minus the product of 2 and x equals 7.
5 - 2x = 7
Sarah has $50 to spend on notebooks that cost $2.50 each. Which inequality shows how many notebooks (n) she can buy?
A. 2.50nā¤50
B.2.50x = 50
2.50xā¤50
A cell phone plan costs $30 per month plus $0.10 per text message. If your bill is less than $40, which inequality represents the number of texts (t) you can send?
a. $30+$10x=40
b. $30+$0.10x= 40
C. $30+$0.10x ⤠40
$30+$0.10x ⤠40
ā„
Greater Than or Equal to