The following equation has been solved for x. Match the appropriate property to each step in the justification table. You may use an answer more than once.
a) Addition Property of Equality
b) Subtraction Property of Equality
c) Multiplication Property of Equality
d) Division Property of Equality
e) Distributive Property
Justification
2.
3(2x - 1) = -21
3(2x) + 3(-1) = -21
6x - 3= -21
+3 = +3
6x = -18
- 6 =-6
x = 3
3.
4.

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?

Table of values relation g values x, y 2,2 /3,5 /4,9 /5,13 which ordered pair is in g inverse? a(-2,2) b(-3,-5) c)4,9) d( 13,5)

Run a linear regression to determine an equation (y=mx+b y=mx+b)