One-Step Equations
Solve
x - 5 = -3
x = 2
Solve
6(x-1) = 12
x = 3
Solve and Graph the inequality
x + 4 < 3
x < -1
Open circle, pointing left on the number line
Solve and Graph the inequality
2y + 7 ≥ 9
y ≥ 1
Open circle on 1, pointing right on the number line
Write and solve the inequality:
The sum of k and seven is less than 23
k + 7 < 23
k < 16
Solve
w/4 = -10
w = -40
Solve
14t - 4 - 9t = 31
t = 7
Solve and Graph the inequality
m + 13 ≥ 14
m ≥ 1
Closed circle on 1, pointing right on the number line
Solve and Graph the inequality
-11 - 4z < 5
z > -4
Open circle on -4, pointing right on the number line
Write and solve the equation:
Twenty-three is equal to two times a number plus thirteen
23 = 2x + 13
x = 5
Solve
-15 = 2p - 7p
p = 3
Solve
-5(3n + 5) = 20
n = -3
Solve and Graph the inequality
-3y > 36
Must flip the inequality sign
y < -12
Open circle on -12, pointing left on the number line
Solve and Graph the inequality
b + 3 + 3b ≤ 39
b ≤ 9
Closed circle on 9, pointing to the left
What continent do açai berries grow on?
South America
Solve
6(r - 2r) = 24
r = -4
Solve
-(z + 11) = 6
z = -17
Solve and Graph the inequality
d/(-11) ≤ 6
Multiply by -11, flips the symbol
d ≥-66
Closed circle on -66, pointing right on the number line
Solve and Graph the inequality
m/(-2) + 8 ≥ -2
m ≤ 20
Closed circle on 20, pointing to the left
What is the national animal of Scotland?
Unicorn
Describe the mistake and correct it.
Question: Solve y/(-4) = 16
Answer: y = -4
They divided 16 by -4 to get -4.
They should multiply 16 by -4, so y=-64.
Solve
80 = 8(4 + x)
x = 6
Solve and Graph the inequality
-12y ≤ 144
Divide by -12, flips the inequality symbol
y ≥ -12
Closed circle on -12, pointing right on the number line
Solve and Graph the inequality
16 < -4(r + 3)
r < -7 or -7 > r
Open circle on -7, pointing to the left
What does a camel store in its hump?
Fat