Linear Equations
1/2(x+18)=-20
x = -58
Get "p" by itself
2p+w=K
p=(K-w)/2
What is the solution(s)
3|x-4|=15
x = -1 and x = 9
Solve
5x^2+25x=0
x = 0 and x = -5
How many feet are in a mile?
5280 feet
3/2(4x+12)=3(x-1)
x=-7
Get m by itself
y=mx+b
m=(y-b)/x
What is the solution(s)?
-5|x+8|=10
No solution
Solve
3x^2-9x=0
x = 0 and x = 3
How many inches are in a yard?
36 inches
-5(-2x+12)=2(x-6)-12(x+2)
x=1.2 or 6/5
Get "w" by itself
P=2w + 2l
w=(P-2l)/2
What is the solution(s)
-1/2|x+8|=-2
x = -4 and x = -12
Solve
x^2-11x+28=0
x = 7 and x = 4
How many ounces are in a gallon
128 ounces
[-3(1/2x-10)]/5=3/10x+6
What is infinite solutions
Get "h" by itself
A=2pirh+pir^2
h=(A-pir^2)/(2pir)
What is the solution(s)?
-4|1/3x+8|+2=-2
x = -21 and x = -27
Solve
x^2=5x+14
x = 7 and x = -2
How many days is 204 hours?
8.5 days
2/5(3x-30)=1/4(x+10)
x=580/38 or x = 290/19
Get "x" by itself
y=10x+5xy-2
x=1/5
What is the solution(s)?
7|2/3x-10|-5=-5
x = 15
4x^2+9x=2x^2-3x-10
x = -5 and x = -1
How many days is 432,000 seconds?
5 days