Simplifying Expressions
3x+5x−7
8x−7
18 more than a number is 29
n + 18 = 29
x+6=14
x = 8
3x=63
Yes!
x ≤ 4
Closed circle at 4
Shade to the left
4(2y+3)
8y+12
128 less than a number is 452
n - 128 = 452
3x = 21
x = 7
x/21=2
No!
x = 42
x > −1
Open circle at -1
Shade to the right
6a+4b−2a+3b
4a+7b
18 more than the product of 3 and a number
18 + (3n) or 18 + 3n
y - 9 = 5
y = 14
x - 80 = 59
No!
x=139
x ≤ 2
Closed circle at 2
Shade to the left
2(3m−4)+5m
11m−8
Four fifths of a number equals 11
4/5n = 11
z/4 = 6
z = 24
Mia makes $3 for every bracelet she sells. She sells 7 bracelets and makes x amount of dollars.
Yes!
x = $21 LABEL!!!
x > −2
Shade to the right
2(3p+5)−3(2p−1)
13
5.2 times the sum of 3 and a number
5.2 x (3+n)
2/3 n = 7/8
n = 1 5/16
Danny and Carly like to work on jigsaw puzzles. Danny has two puzzles. If together they have 9 puzzles, then we can use the equation x + 2 = 23 to determine how many puzzles (X) Carly has. How many puzzles does Carly have?
x = 21 puzzles
x ≤ |-5|
Closed circle at 5 (absolute value is ALWAYS positive)
Shade to the left