Question

Help plz:))) I’ll mark u brainliest ASAP!!!

Answer 1

Answer:

x=10

Step-by-step explanation:

3x-20=10

add 20 to both sides

3x=30

divide 3 both sides

end with x=10

Answer 2

Answer:

x=10

Step-by-step explanation:

it's a equilateral triangle So its every sides are equal

So the equation is

3x-20=10

=>3x=10+30

=>3x=30

=>x=30/3

therefore

x=10