Help asap!!

X+6 = 4X/7
Solve for X
Will give brainliest!!

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?

4+(2+x) can you me solve this problem