Write an equation with the solution x = 20. the equation should have the variable on both sides, a decimal coefficient on the left side, and a fraction anywhere on the right side.

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible