X+2x= 10+20x?

or:X+2x= 10+20x?or:X is not x. Those are two different symbols and any math program will give you goofy results if you make that spelling error.x + 2

or:X+2x= 10+20x?

or:X is not x. Those are two different symbols and any math program will give you goofy results if you make that spelling error.x + 2x = 10 + 20x Add spaces to improve readability. The rule is you can do any valid operation on both sides of an equation and it will still be equal. Subtract 3x.0 = 10 + 17x Subtract 10.-10 = 17x Divide by 17.-10/17 = x

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