Order of Operation
(2 + 42) x 5
90
10 = z + 6
z = 4
18 = a ÷ 2
a = 36
9c + 1 = 10
c = 1
Emma had some money. After spending $23, she has $65 left. How much money did she have at first?
x - 23 = 65
x = 65 + 23
x = 88
She has $88 at first.
665
r ÷ 3 = 7
r = 21
11 = m - 4
m = 15
6y - 5 = 7
y = 2
A box has 8 packs of pencils. In total, there are 64 pencils. How many pencils are in each pack?
8x = 64
x = 64 ÷ 8
x = 8
There are 8 pencils in each pack.
(12 x 9) ÷ 32
12
q - 12 = 1
q = 13
t - 19 = 2
t = 21
8 = 3a - 4
Ava had some stickers. After receiving 19 more, she now has 27 stickers. How many stickers did she have at first?
x + 19 = 27
x = 27 - 19
x = 8
She had 8 stickers at first.
12 x (4 - 2)3
96
24 = 4c
c = 6
1 + s = 3
s = 2
m ÷ 5 + 9 = 11
m = 10
A total of 36 candies were shared equally among some friends. If each friend got 9 candies, how many friends were there?
36 = 9x
x = 36 ÷ 9
x = 4
There were 4 friends.
5 x (23 x 10)
400
8y = 48
y = 6
v ÷ 5 = 9
v = 45
13 + 7x = 27
x = 2
A store sells notebooks for $5 each. If Emma spends $35, how many notebooks did she buy?
5x = 35
x = 35 ÷ 5
x = 7
She bought 7 notebooks.