One Step Equations
8 + v = 26
18
-9x+1 = -80
9
10 (k-9)=-10
8
−6k + 7k
k
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
25x+612=912
x=12
-15 + n = -9
6
-4m+5=-15
5
144 = -12 (x+5)
12r − 8 − 12
12r − 20
Long’s Coffee Shop sells a refill mug for $8.95. Each refill costs $1.50. Last month, Jalissa spent $26.95 on a mug and refills. How many refills did she buy?
1.5x+8.95=26.95
x=12
14b = -56
-4
9+9n=9
0
2(n+5)=-2
-6
n − 10 + 9n − 3
10n-13
A new one-year membership at RecPlex costs $160. A registration fee of $28 is paid up front, and the rest is paid monthly. How much do new members pay each month?
12x+28=160
x=11
-6=b / 18
-108
8 + b/-4 = 5
12
7(9+k) = 84
3
−3x − 9 + 15x
12x − 9
The sum of the measures of the angles of all triangles is 180˚. If one angle of the triangle measures 45˚, and the other is 60, what is the measure of the third angle?
x+45+60=180
x=75
x - 5 = 20
25
8n+7=31
3
4(k+5) + 4 = 6
4
9a + 10(6a − 1)
69a − 10
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+0.5x=52
x=34