Answer:
the lcm would be 30 not 60
Step-by-step explanation:
There is no answer as this isn't an equation. And moreover it's in its simplest form.
Answer:
he made the error in step 2
Step-by-step explanation:
The interior angles of a triangle must add to 180 degrees.
110+5x+2x=180
110+7x=180
7x=70
x=10
Then plug in the x value into each angle expression
5(10)=50 degrees
2(10)=20 degrees