3x -30 +4x = 7x + 24

Please answer quickly!! will give brainliest!

Solve - pv + 40 < 65 for v solve 7w - 3r = 15 for r

Find the y-intercept and x-intercept for the equation 5x-3y=60 what is the y-intercept

Af jewelry box is in the shape of a rectangular prism with an area of 528 cube inches. the length of the box is 12 inches and the height is 5 1/2 inches. what is the width of the jewelry box