2(6x+20) +2(8x-16)=180
12x+16x+40-32=180
28x+8=180
X=180-8/28=6
I think so my calculation may be wrong )
X-3 is the expression that shows it
The answers are
<span>I. Two pairs of opposite angles congruent.
II. A pair of adjacent angles are supplementary. </span>
<span>VIII. The diagonals bisect each other. </span>
Answer: a,b, and c are the correct solutions
Step-by-step explanation:
You are substituting each (x,y) for the equation given. They must equal the same on both sides.