Question

Solve for x. (Hint: The two add together to equal a straight line)

Answer 1

5x+10+2x-5=180

7x-5=180

+5 +5

7x=185

7 7

x=26.4285714286

x= 26

Answer 2

x = 25

Explanation:

According to the hint: The two angle measures would add up to 180°.

`(5x+10)+(2x-5)=180\\\\5x+10+2x-5=180\\\\5x+2x+10-5=180\\\\7x+5=180\\\\7x+5-5=180-5\\\\7x=175\\\\(7x=175)/(7)\\\\\boxed{x=25}`

Hope this helps.