Question

3: Given that AOC is a straight line, find the
x in the following figure.
​

Answer 1

Answer:

x=15

Step-by-step explanation:

add all the values of each angle and  

• 3x+7x-21+4x-9

set up an equation so the term is equal to 180

• 3x+7x-21+4x-9=180

combine like terms

• 14x-30=180

add 30 to each side to get like terms on the same sides

• 14x=210

divide each side by 14 to isolate x

• x=15

i hope this helps :))))