4 = -8 + x
x= 12
6x – 13 = 11
x= 4
Solving Equations
4x + 3 = 7
x = 1
Solving Equations
x - 2 = 6
x = 8
How many operations does a one step equation have?
What is the 4 Basic Operations?
Add, Subtract, Multiply and Divide
x + 12 = 0
x= -12
3x + 5 = 14
x= 3
Solving Equations
4 + 5x = 29
x = 5
Solving Equations
-5p + 1 = 6
p = -1
When solving a two step equation how many terms are usually on the same side?
Two
Multiply by the reciprocal.
3 = -2 – x
x= -5
x/2 + 13 =-8
x= -42
Solving Equations
-45 = x + 4
x = -7
Solving Equations
2n+10 = 4
n = 2
Which of these are a multi step equation?
4x+3 - 11
-4x+2-7
5(y+2/5)=-13
4 + m = 12
5(y+2/5)=-13
What does inverse mean?
Opposite
5x = -80
x= -16
x/2 + 5 =10
x= 10
Solving Equations
14 = (3a + 6) + 2
a=2
Solving Equations
5(m-3) = 4
m = 19/5
What is the first step to follow when solving multi-step equations?
1. Get rid of multiplication/division first2. Get rid of addition and subtraction first
3. If you see parentheses, use the distributive property first
#3: Use the Distributive Property if parentheses are present.
If parentheses aren't present, get rid of addition and subtraction.
What operation do you use when you combine like terms?
Addition
-16 = x+2
x= -18
x/3 - 6 = -3
x= 9
Solving Equations
-21 = 7(5k - 8)
k = 1
Solving Equations
3(𝑥 − 9) = −3
x = 8
What you do to one side...
Golden Rule of Algebra or what you do to one side, you HAVE to do to the other side.
What are like terms?
Terms that share a variable, or constants.