Answer:
X= -50
Step-by-step explanation:
Remove the parenthesis
multiply both sides by two
x - 6 = -56
Move the 6 to the other side
x = -56 + 6
x = -50
84/280=.3 convert that to a decmal which is 30%
Answer:
and 
Step-by-step explanation:
The area of a rectangle is
which factors through GCF, by finding the greatest common monomial factor between the two.

The length and width of the rectangle are
and
.