Please help me with this asap

Solve for x. −3/4(x+2)=6 enter your answer in the box

How do you find the distance of each number from the mean

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.