Thread: solving equations

cant get my head round equations

eg 8-4(x-1)=2+3x

how do I go about it
how to find radius of base of cone 250cm3, ht 20cm.cant get brain in gear

Originally Posted by bobbie bruce

cant get my head round equations

eg 8-4(x-1)=2+3x

do you know how to expand brackets? expand - 4(x - 1) then try to get the x on one side of the equation

how to find radius of base of cone 250cm3, ht 20cm.cant get brain in gear

recall that:



you are given , so just plug those in and solve for


try them. if you have problems, say so