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Let the unknown number be x.
Write an equation
+ 5 = 1.5x,
which is the direct translation of English to Math.
To solve, multiply both sides by 2*3 = 6
2x + 5*6 = 1.5*6*x
2x + 30 = 9x
30 = 9x - 2x
30 = 7x
x = 30/7 = 4
. ANSWER
Solved.