Find the value of x in each case: pls answer as fast as possible !

Can some one me, i’ve been asking for so long

Nine more than four times a number is the same as one less than twice the number. find the number?

Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.