If you are smart help me in these questions!!

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x