One-Step Equations
4 = -8 + x
x= 12
6x – 13 = 11
x= 4
Solving Equations
-(-x + 2) = 6
x = 8
The 3 in this equation is called the ________.
4x + 3 = 7
constant
What is the first step of solving a two-step equation?
Remove the constant
x + 12 = 0
x= -12
3x + 5 = 14
x= 3
Solving Equations
-5(p + 4) = 6
p = -5.2
The 5 in this equation is called the _______.
4 + 5x = 29
coefficient
The opposite of division is...
multiplication
3 = -2 – x
x= -5
x/2 -3=-8
x= -10
Solving Equations
2(n+5) = 4
n = -3
The x in this equation is called the _______.
-45 = 7x + 4
variable
In order to remove the constant, you will always use one of which two operations?
Addition/subtraction
5x = -80
x= 16
x/2-50=10
x= 120
Solving Equations
5(m-3) = 4
m = 19/5
In order to solve equations, we must use ________ operations.
inverse
What is the goal in solving any equation?
To isolate the variable
-16 = x/2
x= -32
3x+16=-2
x= -6
Solving Equations
3(𝑥 − 9) = −3
x = 8
The ________ just takes the place of the number we don't know yet.
variable
To remove a coefficient, we must use either ________ or ________.
multiply or divide