Question 51107
Express x in terms of a and b.
{{{ax-5.6 = bx+12.1}}} Add 5.6 to both sides of the equation.
{{{ax = bx+17.7}}} Now subtract bx from both sides.
{{{ax-bx = 17.7}}} Factor out the x.
{{{x(a-b) = 17.7}}} Finally, divide both sides by (a-b)
{{{x = 17.7/(a-b)}}}