Question

Is this answer 6?......

Answer 1

Answer: I believe so, putting it in a statement of ____ = _____ should require the statement to be true if you need more help just ask away

Explanation:

Answer 2

no, the answer is 10 because they are supplementary lines which equal to 180. So basically 10 takes the place of X when your doing the equation. (shown below) vvvv

Explanation:

DE= 8x + 20

EC= 3x + 50

DE= 8(10) +20=100

EC= 3(10) + 50=80

100+80=180

X=10