Combining Like Terms
14m - 11 - 9m
5m - 11
Are 3x + 3 and 3(1 + 1) equivalent expressions?
No, they are not equivalent expressions.
3(6x + 2)
18x + 6
23 + 9 - (4 x 8)
0
What is a group of fish called?
A school
25x - 3x + 9 + 5
22x + 14
Are 3(2x + 4x) and 18x equivalent expressions?
Yes
9(4 - 2x)
36 - 18x
(9 x 2) ÷ 3 + 14
20
Which weighs more: the human brain or the human heart?
the human brain
3r + 6s + 9r - 3s
12r + 3s
Are 2x + x - x + 4x and 7x equivalent expressions?
No
6(2x - 6)
12x - 36
36 ÷ 3 x 2
24
What is the largest ocean?
Pacific Ocean
12x + 11s - 8x - 5s
4x + 6s
Are 4x + 8 and 2(2x + 4) equivalent expressions?
Yes
5(2x+1)
10x + 5
13 + (17 - 5) x 8
109
Where was paper, gunpowder, and the compass invented?
China
9 + 4x +2x + 6 - 4s
15 + 6x - 4s
8(4x + 3x)
56x
38 x 3 - 20 ÷ 2
104
How many zeros are in one billion?
9