What is x?2x - x + 7 = x + 3 + 4
First, simplify by adding common variables (numbers or letters)x+7 = x+7You can stop here, because this is always true. So you can plug in any number for x. The answer is all the numbers in the world, ever.
x is equal to 1 becuz 2x-x equals x+7=x+7 then divide 7 by itself and it's 1
