Question

This is due tomorrow and i have no idea what to do

Answer 1

x=53

Explanation:

Combine like terms

X. 2x + 21= 3x + 21

straight line equals 180 so

180= 3x + 21

180 - 21 = 159

159= 3x

159/3= 53

X= 53

check your answers

X = 53

2 x 53 + 21

106 + 21 = 127

127 + 53= 180

So x=53 is correct

Answer 2

Answer: 53°

Step-by-step explanation: as they are making linear pair of angles so sum is 180