Question

if (2x+3)° and (8x+7)° are adjacent angles of a parallelogram, then Evaluate for x​

Answer 1

Answer:

37,143

Step-by-step explanation:

adjacent angle of parallelogram=180

then,

(2x+3)+(8x+7)=180

10x+10=180

10x=180-10

x=170/10

x=17

then

(2x+3)=2*17+3=37

(8x+7)=8*17+7=143