WRITE AN EQUATION for the following (DO NOT SOLVE): Friendship’s soccer team purchased uniforms and equipment for a total cost of $912. The equipment cost $612, and the uniforms cost $25 each. How many uniforms did the school purchase?
612 + 25x = 912
The sum of two consecutive numbers is 73. Find both numbers.
x + x + 1 = 73 36, 37
x/2 = -10
x = -20
15n = −2(1 − 7n)
n = -2
What is the inverse operation for dividing?
multiplying
- 3 - 6x = 69
x = -12
x/3 = 5
x = 15
5x - 7 = -17
x = -2
20 = 6x + 7x + 7
x = 1
132 = 12(n + 9)
n = 2
m/3 - 3 = -6
m = -9
a + 9 = 5
a = -4
p - 5 = 10
p = 15
The length of a rectangle is 5 cm less than its width. If the perimeter of the rectangle is 54 cm, find the LENGTH.
(x - 5) + (x - 5) + x + x = 54 LENGTH = 11 cm (x=16)
7(1 + 2x) = - 63
x = -5
4m − 4 = 16m
m = -1/3
What is the inverse operation for adding?
subtracting
3 + 7x - 4x = - 15
x = -6
3(p + 1) = 18
p = 5
-2w + 10 = 30
w = -10
-3x = 12
x = -4
What is the inverse operation for subtracting?
adding
WRITE AN EQUATION for the following (DO NOT SOLVE): Juan’s cell phone company charges $35 a month for phone service plus $0.50 for each text message. How many text messages does Juan send in a month if his bill was $52?
35 + .50 x = 52
-b - 2 = 8
b = -10
What is the inverse operation for multiplying?
dividing
- 5x + 9 = -1
x = 2
Your experience on this site will be improved by allowing cookies.