Writing Expressions
Eight more than a number
8 + x
A friend and you go to the store. You have 7 dollars and your friend has 5 dollars. How much do y'all have together?
7 + 5 = x
12 = x
4 + x = 12
4 + x = 12
-4 -4
x = 8
3(1+3)
12
x + 7
x=4
4 + 7 =
11
Ten less than a number
10 - x
The concert tickets cost 22 dollars. I have 13 dollars. How much more do I need?
22 - 13 = x
9 = x
p - 31 = 20
p - 31 = 20
+31 +31
p = 51
4 (5+8)
20 + 32=
52
17 - a
a = 12
17 - 12
5
We had v video games, then we got 7 more
v + 7
Jamall drove 60 miles per hour for 900 miles. How long did it take him to drive 900 miles?
60 * x = 900
or
900/60 = x
x = 15mph
3x = 450
3x = 450
/3 /3
x = 150
12 ( 11 + 5)
132 + 60=
192
4x + 9
x = 3
The amount we needed was six less than the starting amount
x - 6
Sheraye and Juliet earned money for babysitting. In one month, Sheraye earned 205.50$ and Juliet earned "x". Together they made 400$. How much did Juliet earn?
205.50 + x = 400
or
400 - 205.50 = x
x = 194.50
83 + k = 138
83 + k = 138
-83 -83
k = 55
Combine like terms!
3x + 15x + 9x=
27x
6x + 4x + x
x = 4
24 + 16 + 4 =
44
87 = y - 29
87 = y - 29
+29 +29
116 = y
6 (6x + 5c + x - 2)
Combine like terms!
36x + 30c + 6x -12
42x + 30c - 12
10f - 5 + 9
f = 11
10 x 11 = 110 - 5 = 105 + 9 = 114