What is the first step you will use to solve this equation: 4x +2 = 7x - 13

A. Subtract 13 from both sides

B. Add 7x to both sides

C. Add 2 to both sides

D. Subtract 4x from both sides

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.