14.8k views
0 votes
65°
3х + 4
78°
Find the x

2 Answers

3 votes

Answer: 11 degrees

Explanation:

65+3x+4+78=180

147+3x=180

3x=33

x=11

User Cornel Verster
by
7.9k points
1 vote

Answer:

x=11

Explanation:

65+3x+4+78=180

Combine like terms

147+3x=180

Subtract 147 on both sides

3x=33

Divide by 3

x= 11

User Arnoudhgz
by
7.6k points