Addition
x + 5 = 17
x = 12
x - 2 = 6
x = 8
9x = -27
x = -3
2k + 5 = 17
x = 6
Lynn is cooking cookies. The recipe calls for 14 cups of flour. She has already put in 4 cups. How many more cups does she need to put in? What is the equation?
10 cups of flour
x+4=14
x + 14 =-21
x = -35
d - 7 = -9
-7x = -63
x = 9
3a - 5 = 4
a = 3
How many packages of socks can you buy with $80 if one package costs $16? What is the let x statement? What is the equation?
5 packages
16x=80
4 + x = -5
x = -9
k - (-83) =121
k = 38
y/-6 = 2
y = -12
k/8 + 21 = 97
k = 608
Bryan decided to bring his wallet to the bank to cash it in. On the way, he dropped it and lost $2.50. He had $14.84 left in the wallet. How much did he start with? What is the let x statement? What is the equation?
$17.34
x-2.50=14.84?
x = 2.5
m - 3.7 = 2.4
m = 6.1
-28 = a/-13
a = 364
y/9 - 18 = 52
y = 630
You are on page 286 in Twilight. If there are 408 pages in the book, how many more do you have to read? What is the let x statement? What is the equation?
122 pages
x+286=408?
x + 2/5 = 1/6
-7/30 = x
x - 2/3 = 1/4
x = 7/6
-80 = x/15
x = -1200
19b + 314 = 1663
b = 71
Mary and Kate both work at the 7-11. Mary earns $3.94 more than Kate. If Kate earns $17.90 an hour how much does Mary make? What is the let x statement? What is the equation?
$21.84
x-3.94=17.90?