System of two equations
System of three equations
Absolute Value Equation
Solve using Substitution
Systems by graphing
100
x+y=-1
2x-3y=13
What is x=2 and y=-3
100
2x-y+3z=13
-x-2y+z=6
4x+4y-z=-9
What is x=-1, y=0, z=5
100
|x| + 2 =5
first subtract 2 from both sides to get ∣x∣=3. The solutions are x=−3 or = 3.
100
Solve the system using substitution:
y=2x+7
3x-4y= -13
(-3, 1)
100
What is the solution to the system of linear equations?
(2,9)
200
x+y=3
-2x+3y=-26
What is x=7 and y=-4
200
4x+z=4
-2x-y+7z=2
x+y+z=-3
What is x=1, y=-4, z=0
200
|x| = 4
x = 4 or -4
200
Solve the system of equations using substitution:
-4x+8y= -12
y=5x+21
(-5, -4)
200
What is the solution to the system of linear equations?
No solutions
300
4a-2b=-4
-a+b=1.5
What is a=-1/2 and b=1
300
-2x+y+z=-3
3x+2y+4z=25
x+y+z=6
What is x=3, y=-2, z=5
300
What is the absolute value of −7?
7
300
Solve the system of equations using substitution:
x-y=0
y=3x-2
Solve the system of equations using substitution:
x-y=0
y=3x-2
300
How many solutions do 2x + 3y = 0 and x + 2y = –1 have?
One solution
400
m-5n=18
-2m+n=-7
What is m=3 and n=-1
400
7x+5y-10z=-1
20x-10y+17z=2
x+y+z=- 1/5
What is x=0, y=-1/5 and z=0
400
What does | x | = 5 mean?
∣x∣=5 means that | x | can be either 5 or −5.
400
Solve the system of equations using substitution:
x=3+2y
4x+2y=12
(3, 0)
500
-x+2y=-6
x-2y=6
What is x=3 and y=-2
500
9x+y-8z=7
-x+2y+z=3 1/4
2x-y-3z=-1 5/22
What is x=1/3, y=2, z=-1/4
500
|x| = 5
What is the value of x
5 ,-5
500
Solve the system using substitution:
y= -8x-24
y=-x+4
(-4, 8)