1 Step Equations
y+13=20
y=7
-7x-3=53
x=-8
a+3=4a-15
a=6
-15-3x-4x=-6x-4x
x=5
Caroline’s soccer team purchased uniforms and equipment for a total cost of $912. The equipment cost $612 and the uniforms cost $25 each. Write an equation to represent this situation.
x is the number of uniforms
2x+612=912
3m=27
m=9
(n-5)/9=-1
n=-4
6f-10=2(2f-5)
f=0
-8-6(3k-1)=88
k=-5
Long’s Coffee Shop sells a refill mug for $16.95. Each refill costs $2.50. Last month, Jalissa spent $46.95 on a mug and refills. How many refills did she buy?
12 refills
p-4=-4
p=0
-4-11b=183
b=-17
7n+10=3(5n-2)
n=2
-2p-4=7(3p-5)+8
p=1
Luca scores 4 baskets in his first basketball game. He then scored the same number of baskets in each of his next 3 games. If Luca made 19 baskets total, how many baskets did he score in each of the three games?
5 baskets
3x+4=19
b/3=13
b=39
-7+p/4=-12
p=-20
8(7a+4)=-29-5a
a=-1
-4(-5h-4)-10=-2(10h-8)
h=1/4
A cell phone company offers a plan that charges a flat monthly fee of $40 plus $0.15 per text message. Last month, Jordan’s bill was $79.60. How many text messages did Jordan send?
answer
0.15x+40=79.6
x=264
3/4n=3
n=4
62h-7=-7
h=0
2(-4x-9)=3(-3x-6)+x
Infinitely many solutions
4+3(5x-6)=4(3x-1)+9+3x
No solution
One angle of the triangle measures 45˚ and the other two angles are equal. What is the measure of each of the other two angles?
67.5 degrees