Subtraction
n - 13 = 14
n = 27
75m = -225
m = -3
v/3 = 5
v = 15
During the week, Ms. Tidwell practices her cello. On Monday, she practiced for 2 hours. On Tuesday, she practiced for another x hours. If she practiced for a total of 5 hours, how many hours did she practice on Tuesday?
2 + t = 5
t = 3 hours
50 = n - 21
n = 71
-11 = y + 6
y = -17
-12k = 144
k = -12
d/-2 = 20
d = -40
Mr. Wilson bought 5 packs of cards. Each pack contains c amount of cards. How many cards are in each pack if Mr. Wilson opened the packs and had 20 cards in total?
5c = 20
c = 4 cards per pack
k decreased by 10 is 20.
k - 10 = 20
k = 30
-5 = 14 + z
z = -19
-99 equals 9 times j
-99=9j
j = -11
-15 equals c divided by 2
-15 = c /2
c = -30
At the market, Ms. Viverito put a few apples in a bag. She then took out 10 apples. There are now 6 apples in the bag. How many apples did Ms. Viverito have to begin with?
x - 10 = 6
x = 16 apples
-45 is the difference of a number b and 67.
-45 = b - 67
b = 22
-9 + r = 18
r = 27
-63 is the product of -21 and v
-63=-21v
v = 3
9 = m/3
m = 27
Mary's mom is twice as old as Mary. Mary's mom is 40 years old. What is Mary's age?
2x = 40
x = 20 years old
72 is 10 less than a number.
72 = x - 10
What is 82
The sum of ten and a number is eight.
10 + m = 8
What is -2
The product of negative thirty-one and a number is one hundred and fifty-five
-31x = 155
What is -5
Negative twenty is equal to the quotient of a number and negative two.
What is 40
Juan wants to go on a hike that is 12 miles long. He has 6 hours to complete the hike. If he hikes at an even pace, how many miles will he hike each hour
6x=12 , x = 2 miles