Divide both sides by 2
3x + 1 = 11/2
Subtract 1 from both sides
3x = 11/2 - 1
Simplify 11/2 - 1 to 9/2
3x = 9/2
Divide both sides by 3
x = 9/2/3
Simplify 9/2/3 to 9/2 × 3
x = 9/2 × 3
Simplify 2 × 3 to 6
x = 9/6
Simplify 9/6 to 3/2
x = 3/2
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