Writing Equations and Expressions
Jeremy has 13 baseball cards, which is 7 more than 3 times the number m Michael has.
13 = 7 + 3m
Eighteen more than twice a number is 8.
18 + 2c = 8
An Electrician charges $35 for a house call and $80 per hour for each hour worked. If the total charge was $915.
35 + 80h = 915
Suppose you purchase 3 identical T-shirts and a hat. The hat cost $21 and you spend $60 in all.
3x + 21 = 60
There are 48 soccer teams in the Springtown Association. This is three less than three times the number of teams in the Lyon Association.
48 = 3x - 3
Hannah has 6 shirts. This is 4 less than twice the number of shirts n that Molly has.
6 = 2n - 4
Eight more than the quotient of a number y and -3 is -24.
8 + (y/-3) = -24
Tiffani spent $95 for clothes. This is $15 more than 4 times the amount her sister spent for school supplies.
95 = 15 + 4d
The product of a number and 9, less 20 is 7.
9x - 20 = 7
11 - n = 3
Eleven decreased by a number is three.
5 = 2n - 6
Five is 6 less than twice a number.
5(n - 2) = 17
Five timestwo less than a number equals seventeen.
6(n - 4) = 25
Four less than a number, multiplied by 6, is 25.
3n - 12 =5
If 3 times a number is decreased by 12, the result is 5.
6n - 7 = 10
If seven is subtracted from six times a number, the result is 10.
3n-9/4 = 21
Nine less than 3 times a number, divided by four, is 21.
n/2 = 16
One-half of a number equals sixteen.
n/3 + 7 = 15
Seven more than one-third of a number is 15.
n + 10 = 62
Ten more than a number is 62.
10n = 420
Ten times a number is 420.
3n * 12 = 20
The product of three times a number and twelve is twenty.
6n + 15 = 42
The sum of 6 times a number and fifteen is 42.
n + 7 = 35
The sum of a number and 7 is 35.
2n/6 = 42
Twice a number divided by 6 is 42.
Juan's father was 29 years old when Juan was born. This year, the sum of their ages is 53 find their ages.
x + x + 29 = 53
5x + 3 = 28
x = 5
solve 46 - 8x = 6
x = 5
Solve 84 - 3x = 60
x = 8
Solve 27 - 3x = 0
x = 9
Solve 50 - 5x = 5
x = 9