-15.
Here's how. X-15=2X
Subtract X from both sides. -15=X.
There you have it. X=-15.
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The result of the equation x + 2y - 2x - y equals x simplifies to y - x.
If x=4 then 2x+7 =
x equals 14
If your question was 2X + 5 =10. X equals what? Then X=2.5
2x = x+3 2x-x = 3 x = 3