Question

Think about how to use the interactive tool to form an expression equivalent to -x + (-3x) + 12 -9.
An equivalent expression is

Answer 1

an equivalent expression is...

-4x+3

Answer 2

Answer:

x= 3/4 or .75

Step-by-step explanation:

Add -x and -3x and get -4x

Subtract the 9 from 12 and get 3

Set -4x=-3

-4x/-4=-3/-4

x=3/4