X+7
——-=9
3
Can you explain step by step on how to solve this problem?

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

Which expression is equal to (21)(7)(3x) using the associative property? (21 · 7 · 3)x (7)(21)(3x) 32(7 + 3x) (3x)(7)(21)

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