Linear Equations
Solve the Equation for x:
2(x + 3) = 14
x=4
What side does the variable have to be on in an inequality answer?
Left
Solve using substitution:
12x - 8 =
x = 2
16
What do we do when there are parenthesis
Distribute
Who is the Freshman SMT for Last Names R - Z
Tyson Wolfe
Solve the Equation for x:
8x − 12 = 3x + 18
x = 6
Solve the inequality for x:
-2x+11x>3x-12
x> -2
Is 2 a solution for x?
3(2x-4)=9
x is not a solution.
What is a coefficient
Number with a variable
I have no doors, but I have keys. I have no rooms, but I have space. You can enter, but you cannot leave. What am I?
A Keyboard
Solve the Equation for x:
3-(2x+4)-8x=9
x = -1
What is the "Golden Rule" when solving inequalities
Flip the inequality sign when Multiplying or Dividing by a Negative
Solve for x ; when y = -8
2y+4x=3(x-2)
x = 10
What has to be the same when combining like terms?
Hint: 2 answers
The terms need to have the same variables and exponents
What three different whole numbers whose sum and product are equal
a x b x c = d
a + b + c = d
1, 2, and 3
1 x 2 x 3 = 6
1 + 2 + 3 = 6
Solve the equation for x:
4x-7(2x+1)=1/3(27-6x)
x = - 2
Solve the inequality for x:
3(x-1)+5≤5x+6
x≥-2
Solve for x ; when y = -2x
2(3x+2y)=-3x-2
x = -2
What is Step 4 and Describe the Word
Move the Constant
The # without a variable - # constantly alone - # by itself - etc.
There are two fathers and two sons in a car. How many people are in the car?
Three people—a grandfather, a father, and a son.
Solve the equation for x:
12(3/4x-1/3)-4^2=2(3x+3)
x = - 6
Solve the inequality for x:
4(−2x+3/2)>−2(15+x)
x < 6
Solve the equation when x = 10
x/5+1/2(-2x)+x=
2
In what step do we move the variable to one side?
Step 3
What can you put between 7 and 8 so the result is greater than 7, but less than 8?
A decimal
7.8