If Someone Has 2000 Bassball cards And I Have 1 tenth of the fraction as many How Many Cards do I have

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second