Solve using the addition principle
2x≤x+3
2x≤x+3
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2x (Less than or Equal to sign) x+3
-x -x Subtract x to make the variable only on one side.
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x (less than or Equal to sign) 3
-x -x Subtract x to make the variable only on one side.
--------------------------------------…
x (less than or Equal to sign) 3
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2x≤x+3
so subtracting x from both sides...
x≤3
so subtracting x from both sides...
x≤3
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x ≤ 3