Question 112236
I'm assuming that you mean

{{{(5p/7)-18=-43}}}


The first step should be to "undo" the -18, by adding +18 to each side of the equation:
{{{(5p/7) -18+18 =-43+18}}}
{{{(5p/7) = -25}}}


Next, to undo the {{{5/7}}}, you can multiply both sides of the equation by {{{7/5}}}:


{{{(7/5)*(5p/7)=-25(7/5)}}}  Divide 5 into the -25, which gives you -5.

{{{p = -5*7=-35}}}


R^2  Retired from SCC