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Use mental math to determine the solution to x - 3 = 10 .
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Use mental math to determine the solution to x - 3 = 10 .

User Crosk Cool
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X=13 that is what I got

User Denden
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First Step: Leave "x" alone, pass the 3 to the other side X= 10+3 Second Step: Add 10 plus 3 X= 13 So your answer is: x=13
User Shawnelle
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