an onpen sentance has a placeholder in it
it could be
x+1.4=7 or 1.4=7+x or 1.4x=7 or 1.4=7x or 1.4/x=7 or 1.4=7/x or 1.4^x=7 or 7^x, etc.
please include more info
if it is x+1.4=7 which is it morel iky is
x+1.4=7
subtract 1.4 form both sides
x=5.6
so just remember that you can do anything to the equation as long as you do it to both sides (except divide by zero)