Can anybody help me solve this? You must solve for x first.
2 answers:
Answer: The measure of angle ABC is 65 degrees.
Step-by-step explanation:
2x- 15 + 2x - 15 + x + x =360
6x - 30 = 360
+ 30 + 30
6x = 390
x= 65
check: 2(65) - 15 = 115
115 + 115 + 65 + 65 = 360
Answer:
ABC = 65
Step-by-step explanation:
The sum of the angles of a quadrilateral are 360
2x-15 + x + 2x-15 +x = 360
Combine like terms
6x -30 = 360
Add 30 to each side
6x -30 +30 = 360+30
6x= 390
Divide by 6
6x/6 = 390/6
x=65
We want angle ABC
ABC = x
ABC = 65
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