What is 5w + 9z=2z + 3w
5w+9z=2z+3w (-2z)5w+7z=3w (-2w)3w+7z=w (-3w)7z=-2w (divide by -2)3.5z = wnow replace "w" with that in the equation and you will find Z. When you find Z, W is Z times 3.5